Version 0.2.1pkgtools-0.2.1

12 files changed, 3293 insertions, 0 deletions

diff --git a/doc/autogen-examples/auto-clean.sh b/doc/autogen-examples/auto-clean.sh
new file mode 100755
index 0000000..079b699
--- /dev/null
+++ b/doc/autogen-examples/auto-clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+cd ../..
+
+if [ -f "Makefile" ] ; then
+  make distclean
+fi
+
+rm -rf autom4te.cache m4
+
+rm  -f Makefile
+rm  -f Makefile.in
+rm  -f config.h
+rm  -f config.h.in
+rm  -f config.log
+rm  -f config.status
+rm  -f compile config.guess config.sub
+rm  -f configure
+rm  -f install-sh
+rm  -f missing
+rm  -f stamp-h1
+rm  -f aclocal.m4
+rm  -f depcomp
+
+rm -rf src/.deps
+rm  -f src/Makefile
+rm  -f src/Makefile.in
diff --git a/doc/autogen-examples/bootstrap-cross.sh b/doc/autogen-examples/bootstrap-cross.sh
new file mode 100755
index 0000000..aa5e3f6
--- /dev/null
+++ b/doc/autogen-examples/bootstrap-cross.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+TARGET_DEST_DIR=/home/kx/prog/scm/svn/platform/trunk-672/dist/.s9xx-glibc/enybox-x2
+
+cd ../..
+./bootstrap --target-dest-dir=${TARGET_DEST_DIR}
diff --git a/doc/autogen-examples/bootstrap.sh b/doc/autogen-examples/bootstrap.sh
new file mode 100755
index 0000000..59b68f5
--- /dev/null
+++ b/doc/autogen-examples/bootstrap.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+cd ../..
+./bootstrap
diff --git a/doc/autogen-examples/configure-cross.sh b/doc/autogen-examples/configure-cross.sh
new file mode 100755
index 0000000..9c74ac8
--- /dev/null
+++ b/doc/autogen-examples/configure-cross.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+cd ../..
+
+TARGET_DEST_DIR=/home/kx/prog/scm/svn/platform/trunk-672/dist/.s9xx-glibc/enybox-x2
+TOOLCHAIN_PATH=/opt/toolchain/aarch64-S9XX-linux-glibc/1.1.4/bin
+TARGET=aarch64-s9xx-linux-gnu
+
+TARGET_INCPATH="-L${TARGET_DEST_DIR}/usr/include"
+CFLAGS="${TARGET_INCPATH}"
+CPPFLAGS="${TARGET_INCPATH}"
+LDFLAGS="-L${TARGET_DEST_DIR}/lib -L${TARGET_DEST_DIR}/usr/lib"
+
+
+DIALOG_CONFIG=${TARGET_DEST_DIR}/usr/bin/dialog-config \
+STRIP="${TOOLCHAIN_PATH}/${TARGET}-strip" \
+CC="${TOOLCHAIN_PATH}/${TARGET}-gcc --sysroot=${TARGET_DEST_DIR}" \
+./configure --prefix=/usr \
+  --build=x86_64-pc-linux-gnu --host=${TARGET} \
+  --with-gpg2=${TARGET_DEST_DIR}/usr \
+  --with-dialog=${TARGET_DEST_DIR}/usr \
+  --with-dialog-test=yes
diff --git a/doc/autogen-examples/configure.sh b/doc/autogen-examples/configure.sh
new file mode 100755
index 0000000..7c743fd
--- /dev/null
+++ b/doc/autogen-examples/configure.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+cd ../..
+
+./configure --prefix=/usr   \
+  --with-distro-name=radix  \
+  --with-distro-version=1.1 \
+  --with-gpg2=yes   \
+  --with-dialog=yes
diff --git a/doc/dialog/dialog-1.3-20190211.patch b/doc/dialog/dialog-1.3-20190211.patch
new file mode 100644
index 0000000..3a5ce88
--- /dev/null
+++ b/doc/dialog/dialog-1.3-20190211.patch
@@ -0,0 +1,453 @@
+diff -b --unified -Nr dialog-1.3-20190211-orig/checklist.c dialog-1.3-20190211/checklist.c
+--- dialog-1.3-20190211-orig/checklist.c	2018-06-20 01:57:01.000000000 +0300
++++ dialog-1.3-20190211/checklist.c	2019-07-20 15:48:25.753332500 +0300
+@@ -29,7 +29,7 @@
+ #include <dialog.h>
+ #include <dlg_keys.h>
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ typedef struct {
+     /* the outer-window */
+diff -b --unified -Nr dialog-1.3-20190211-orig/dialog-config.in dialog-1.3-20190211/dialog-config.in
+--- dialog-1.3-20190211-orig/dialog-config.in	2012-10-06 18:29:45.000000000 +0400
++++ dialog-1.3-20190211/dialog-config.in	2019-07-20 15:48:25.753332500 +0300
+@@ -73,12 +73,17 @@
+ 			INCS="-I${prefix}/include"
+ 		fi
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+-			$INCS
++			@CFLAGS@ $INCS
++ENDECHO
++		;;
++	--ldflags)
++		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
++			-L@libdir@
+ ENDECHO
+ 		;;
+ 	--libs)
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+-			-L${exec_prefix}/lib -l${THIS} @LIBS@
++			-l${THIS} @LIBS@
+ ENDECHO
+ 		;;
+ 	# identification
+@@ -113,6 +118,7 @@
+   --exec-prefix=ARG  sets the executable-prefix of ${THIS}
+ 
+   --cflags           echos the C compiler flags needed to compile with ${THIS}
++  --ldflags          echos the linker flags needed to link with ${THIS}
+   --libs             echos the libraries needed to link with ${THIS}
+ 
+   --version          echos the release+patchdate version of ${THIS}
+diff -b --unified -Nr dialog-1.3-20190211-orig/dialog.m4 dialog-1.3-20190211/dialog.m4
+--- dialog-1.3-20190211-orig/dialog.m4	1970-01-01 03:00:00.000000000 +0300
++++ dialog-1.3-20190211/dialog.m4	2019-07-20 15:48:25.749332413 +0300
+@@ -0,0 +1,333 @@
++dnl #
++dnl # /usr/share/aclocal/dialog.m4
++dnl #
++dnl # Configure paths for dialog
++dnl # Andrew V.Kosteltsev
++
++dnl ============================================================
++dnl
++dnl  Synopsis:
++dnl     AC_CHECK_DIALOG([MIN-VERSION [,                  # minimum dialog version, e.g. 1.3-20190211
++dnl                           DEFAULT-WITH-DIALOG [,     # default value for --with-dialog option
++dnl                           DEFAULT-WITH-DIALOG-TEST [,# default value for --with-dialog-test option
++dnl                           EXTEND-VARS [,                  # whether CFLAGS/LDFLAGS/etc are extended
++dnl                           ACTION-IF-FOUND [,              # action to perform if dialog was found
++dnl                           ACTION-IF-NOT-FOUND             # action to perform if dialog was not found
++dnl                          ]]]]]])
++dnl  Examples:
++dnl     AC_CHECK_DIALOG(1.3-20190211)
++dnl     AC_CHECK_DIALOG(1.3-20190211,,,no,CFLAGS="$CFLAGS -DHAVE_DIALOG $DIALOG_CFLAGS")
++dnl     AC_CHECK_DIALOG(1.3-20190211,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_DIALOG")
++dnl
++dnl
++dnl  If you have to change prefix returned by dialog-config script or change
++dnl  location of dialog-config, you may set environment variable DIALOG_CONFIG,
++dnl  for example:
++dnl
++dnl  # export DIALOG_CONFIG="dialog-config --prefix=/usr/local"
++dnl  # export DIALOG_CONFIG="/usr/bin/dialog-config --prefix=/usr/local"
++dnl
++dnl ============================================================
++dnl
++dnl ============================================================
++dnl  auxilliary macros
++dnl ============================================================
++AC_DEFUN([_AC_DIALOG_ERROR], [dnl
++AC_MSG_RESULT([*FAILED*])
++cat <<EOT | sed -e 's/^[[ 	]]*/ | /' -e 's/>>/  /' 1>&2
++$1
++EOT
++exit 1
++])
++
++AC_DEFUN([_AC_DIALOG_VERBOSE], [dnl
++if test ".$verbose" = .yes; then
++    AC_MSG_RESULT([  $1])
++fi
++])
++
++dnl ============================================================
++dnl  the user macro
++dnl ============================================================
++AC_DEFUN([AC_CHECK_DIALOG], [dnl
++dnl
++dnl ============================================================
++dnl  prerequisites
++dnl ============================================================
++AC_REQUIRE([AC_PROG_CC])dnl
++AC_REQUIRE([AC_PROG_CPP])dnl
++dnl
++dnl ============================================================
++dnl  set DIALOG_CONFIG variable
++dnl ============================================================
++if test -z "$DIALOG_CONFIG"; then
++  DIALOG_CONFIG='dialog-config'
++fi
++dnl
++DIALOG_CFLAGS=''
++DIALOG_LDFLAGS=''
++DIALOG_LIBS=''
++AC_SUBST(DIALOG_CFLAGS)
++AC_SUBST(DIALOG_LDFLAGS)
++AC_SUBST(DIALOG_LIBS)
++dnl
++dnl ============================================================
++dnl  command line options
++dnl ============================================================
++_AC_DIALOG_VERBOSE([])
++AC_ARG_WITH(dialog,dnl
++[  --with-dialog[=ARG]       Build with dialog Library  (default=]ifelse([$2],,yes,$2)[)],dnl
++,dnl
++with_dialog="ifelse([$2],,yes,$2)"
++)dnl
++AC_ARG_WITH(dialog-test,dnl
++[  --with-dialog-test      Perform dialog Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
++,dnl
++with_dialog_test="ifelse([$3],,yes,$3)"
++)dnl
++_AC_DIALOG_VERBOSE([+ Command Line Options:])
++_AC_DIALOG_VERBOSE([    o --with-dialog=$with_dialog])
++_AC_DIALOG_VERBOSE([    o --with-dialog-test=$with_dialog_test])
++dnl
++dnl ============================================================
++dnl  configuration
++dnl ============================================================
++if test ".$with_dialog" != .no; then
++    dialog_subdir=no
++    dialog_subdir_opts=''
++    case "$with_dialog" in
++        subdir:* )
++            dialog_subdir=yes
++            changequote(, )dnl
++            dialog_subdir_opts=`echo $with_dialog | sed -e 's/^subdir:[^ 	]*[ 	]*//'`
++            with_dialog=`echo $with_dialog | sed -e 's/^subdir:\([^ 	]*\).*$/\1/'`
++            changequote([, ])dnl
++            ;;
++    esac
++    dialog_version=""
++    dialog_location=""
++    dialog_type=""
++    dialog_cflags=""
++    dialog_ldflags=""
++    dialog_libs=""
++    if test ".$with_dialog" = .yes; then
++        #   via config script in $PATH
++        changequote(, )dnl
++        dialog_version=`($DIALOG_CONFIG --version) 2>/dev/null |\
++                      sed -e 's/^.*\([0-9]\.[0-9]*[-][0-9]*\).*$/\1/'`
++        changequote([, ])dnl
++        if test ".$dialog_version" != .; then
++            dialog_location=`$DIALOG_CONFIG --prefix`
++            dialog_type='installed'
++            dialog_cflags=`$DIALOG_CONFIG --cflags`
++            dialog_ldflags=`$DIALOG_CONFIG --ldflags`
++            dialog_libs=`$DIALOG_CONFIG --libs`
++        fi
++    elif test -d "$with_dialog"; then
++        with_dialog=`echo $with_dialog | sed -e 's;/*$;;'`
++        dialog_found=no
++        #   via config script under a specified directory
++        #   (a standard installation, but not a source tree)
++        if test ".$dialog_found" = .no; then
++            for _dir in $with_dialog/bin $with_dialog; do
++                if test -f "$_dir/dialog-config"; then
++                    test -f "$_dir/dialog-config.in" && continue # dialog-config in source tree!
++                    changequote(, )dnl
++                    dialog_version=`($_dir/dialog-config --version) 2>/dev/null |\
++                                  sed -e 's/^.*\([0-9]\.[0-9]*[.][0-9]*\).*$/\1/'`
++                    changequote([, ])dnl
++                    if test ".$dialog_version" != .; then
++                        dialog_location=`$_dir/dialog-config --prefix`
++                        dialog_type="installed"
++                        dialog_cflags=`$_dir/dialog-config --cflags`
++                        dialog_ldflags=`$_dir/dialog-config --ldflags`
++                        dialog_libs=`$_dir/dialog-config --libs`
++                        dialog_found=yes
++                        break
++                    fi
++                fi
++            done
++        fi
++    fi
++    _AC_DIALOG_VERBOSE([+ Determined Location:])
++    _AC_DIALOG_VERBOSE([    o path: $dialog_location])
++    _AC_DIALOG_VERBOSE([    o type: $dialog_type])
++    if test ".$dialog_version" = .; then
++        if test ".$with_dialog" != .yes; then
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog under $with_dialog.
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past).])
++        else
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog in any system-wide location (see \$PATH).
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past, or set the DIALOG_CONFIG environment variable to the full path
++             to dialog-config).])
++        fi
++    fi
++    dnl ========================================================
++    dnl  Check whether the found version is sufficiently new
++    dnl ========================================================
++    _req_version="ifelse([$1],,1.0.0,$1)"
++    for _var in dialog_version _req_version; do
++        eval "_val=\"\$${_var}\""
++        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\1/'`
++        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\2/'`
++        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\4/'`
++        _hex=`echo dummy | awk '{ printf("%d%02d%02d", major, minor, micro); }' \
++              "major=$_major" "minor=$_minor" "micro=$_micro"`
++        eval "${_var}_hex=\"\$_hex\""
++    done
++    _AC_DIALOG_VERBOSE([+ Determined Versions:])
++    _AC_DIALOG_VERBOSE([    o existing: $dialog_version -> 0x$dialog_version_hex])
++    _AC_DIALOG_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
++    _ok=0
++    if test ".$dialog_version_hex" != .; then
++        if test ".$_req_version_hex" != .; then
++            if test $dialog_version_hex -ge $_req_version_hex; then
++                _ok=1
++            fi
++        fi
++    fi
++    if test ".$_ok" = .0; then
++        _AC_DIALOG_ERROR([dnl
++        Found dialog version $dialog_version, but required at least version $_req_version.
++        Upgrade dialog under $dialog_location to $_req_version or higher first, please.])
++    fi
++    dnl ========================================================
++    dnl  Perform dialog Sanity Compile Check
++    dnl ========================================================
++    if test ".$with_dialog_test" = .yes; then
++        _ac_save_CFLAGS="$CFLAGS"
++        _ac_save_LDFLAGS="$LDFLAGS"
++        _ac_save_LIBS="$LIBS"
++        CFLAGS="$CFLAGS $dialog_cflags"
++        LDFLAGS="$LDFLAGS $dialog_ldflags"
++        LIBS="$LIBS $dialog_libs"
++        _AC_DIALOG_VERBOSE([+ Test Build Environment:])
++        _AC_DIALOG_VERBOSE([    o CFLAGS=\"$CFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LDFLAGS=\"$LDFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LIBS=\"$LIBS\"])
++        cross_compile=no
++        define(_code1, [dnl
++
++#include <stdlib.h>
++#include <stdio.h>
++#include <strings.h>  /* index(3)    */
++
++#include <dialog.h>
++#include <dlg_colors.h>
++#include <dlg_keys.h>
++
++        ])
++        define(_code2, [dnl
++
++int main( void )
++{
++  int status = 0;
++
++  bzero( (void *)&dialog_vars, sizeof(DIALOG_VARS) );
++
++  init_dialog(stdin, stdout);
++
++  dialog_vars.colors = 1;
++  dialog_vars.backtitle = "\\Z7Test\\Zn \\Z1dialog\\Zn \\Z7Library\\Zn";
++  dialog_vars.dlg_clear_screen = 1;
++  dialog_vars.sleep_secs = 1;
++
++
++  dlg_put_backtitle();
++
++  /*************************************************
++    Ruler: 68 characters + 2 spaces left and right:
++
++                           | ----handy-ruler----------------------------------------------------- | */
++  status = dialog_msgbox( " \\Z4Dialog ==>\\Zn\\Z1libdialog\\Zn\\Z4<== [required]\\Zn ",
++                          "\nPackage is installed and corect.\n",
++                          5, 72, 0 );
++
++  if( dialog_vars.sleep_secs )
++    (void)napms(dialog_vars.sleep_secs * 1000);
++
++  if( dialog_vars.dlg_clear_screen )
++  {
++    dlg_clear();
++    (void)refresh();
++  }
++  end_dialog();
++
++  exit( 0 );
++}
++        ])
++        _AC_DIALOG_VERBOSE([+ Performing Sanity Checks:])
++        _AC_DIALOG_VERBOSE([    o pre-processor test])
++        AC_TRY_CPP(_code1, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity pre-processor check. This means
++            the dialog header dialog.h was not found.
++            We used the following build environment:
++            >> CPP="$CPP"
++            See config.log for possibly more details.])
++        fi
++        _AC_DIALOG_VERBOSE([    o link check])
++        AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity linker check. This means
++            the dialog library libdialog.a was not found.
++            We used the following build environment:
++            >> CC="$CC"
++            >> CFLAGS="$CFLAGS"
++            >> LDFLAGS="$LDFLAGS"
++            >> LIBS="$LIBS"
++            See config.log for possibly more details.])
++        fi
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" != .yes; then
++            CFLAGS="$_ac_save_CFLAGS"
++            LDFLAGS="$_ac_save_LDFLAGS"
++            LIBS="$_ac_save_LIBS"
++        fi
++    else
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" = .yes; then
++            if test ".$dialog_subdir" = .yes; then
++                CFLAGS="$CFLAGS $dialog_cflags"
++                LDFLAGS="$LDFLAGS $dialog_ldflags"
++                LIBS="$LIBS $dialog_libs"
++            fi
++        fi
++    fi
++    DIALOG_CFLAGS="$dialog_cflags"
++    DIALOG_LDFLAGS="$dialog_ldflags"
++    DIALOG_LIBS="$dialog_libs"
++    AC_SUBST(DIALOG_CFLAGS)
++    AC_SUBST(DIALOG_LDFLAGS)
++    AC_SUBST(DIALOG_LIBS)
++
++    AC_SUBST(HAVE_DIALOG, [1])
++
++    AC_CHECK_HEADERS(dialog.h dlg_colors.h dlg_keys.h)
++
++    _AC_DIALOG_VERBOSE([+ Final Results:])
++    _AC_DIALOG_VERBOSE([    o DIALOG_CFLAGS=\"$DIALOG_CFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LDFLAGS=\"$DIALOG_LDFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LIBS=\"$DIALOG_LIBS\"])
++fi
++if test ".$with_dialog" != .no; then
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([version $dialog_version, $dialog_type under $dialog_location])
++    ifelse([$5], , :, [$5])
++else
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([no])
++    ifelse([$6], , :, [$6])
++fi
++])
++
+diff -b --unified -Nr dialog-1.3-20190211-orig/fselect.c dialog-1.3-20190211/fselect.c
+--- dialog-1.3-20190211-orig/fselect.c	2018-06-22 02:28:04.000000000 +0300
++++ dialog-1.3-20190211/fselect.c	2019-07-20 15:48:25.753332500 +0300
+@@ -631,7 +631,7 @@
+     dlg_print_size(height, width);
+     dlg_ctl_size(height, width);
+ 
+-    dialog = dlg_new_window(height, width,
++    dialog = dlg_new_window(height + 1, width,
+ 			    dlg_box_y_ordinate(height),
+ 			    dlg_box_x_ordinate(width));
+     dlg_register_window(dialog, "fselect", binding);
+@@ -639,7 +639,7 @@
+ 
+     dlg_mouse_setbase(0, 0);
+ 
+-    dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
++    dlg_draw_box2(dialog, 0, 0, height + 1, width, dialog_attr, border_attr, border2_attr);
+     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
+     dlg_draw_title(dialog, title);
+ 
+@@ -648,7 +648,7 @@
+     /* Draw the input field box */
+     tbox_height = 1;
+     tbox_width = width - (4 * MARGIN + 2);
+-    tbox_y = height - (BTN_HIGH * 2) + MARGIN;
++    tbox_y = height - (BTN_HIGH * 2) + MARGIN + 1;
+     tbox_x = (width - tbox_width) / 2;
+ 
+     w_text = derwin(dialog, tbox_height, tbox_width, tbox_y, tbox_x);
+@@ -675,7 +675,7 @@
+     else
+ 	dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2;
+     dbox_height = height - MIN_HIGH;
+-    dbox_y = (2 * MARGIN + 1);
++    dbox_y = (2 * MARGIN + 2);
+     dbox_x = tbox_x;
+ 
+     w_work = derwin(dialog, dbox_height, dbox_width, dbox_y, dbox_x);
+@@ -735,7 +735,7 @@
+ 	if (show_buttons) {
+ 	    show_buttons = FALSE;
+ 	    button = (state < 0) ? 0 : state;
+-	    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
++	    dlg_draw_buttons(dialog, height - 1, 0, buttons, button, FALSE, width);
+ 	}
+ 
+ 	if (first_trace) {
+diff -b --unified -Nr dialog-1.3-20190211-orig/guage.c dialog-1.3-20190211/guage.c
+--- dialog-1.3-20190211-orig/guage.c	2018-06-21 11:23:43.000000000 +0300
++++ dialog-1.3-20190211/guage.c	2019-07-20 15:48:25.768332827 +0300
+@@ -377,6 +377,9 @@
+     MY_OBJ *obj = (MY_OBJ *) objptr;
+ 
+     if (valid(obj)) {
++	if (obj->title) free(obj->title);
++	if (obj->prompt) free(obj->prompt);
++
+ 	obj->obj.keep_win = FALSE;
+ 	dlg_remove_callback(&(obj->obj));
+ 	delink(obj);
+diff -b --unified -Nr dialog-1.3-20190211-orig/menubox.c dialog-1.3-20190211/menubox.c
+--- dialog-1.3-20190211-orig/menubox.c	2018-06-22 02:28:56.000000000 +0300
++++ dialog-1.3-20190211/menubox.c	2019-07-20 15:48:25.753332500 +0300
+@@ -48,7 +48,7 @@
+     int item_no;
+ } ALL_DATA;
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ #define INPUT_ROWS     3	/* rows per inputmenu entry */
+ 
diff --git a/doc/dialog/dialog-1.3-20190724.patch b/doc/dialog/dialog-1.3-20190724.patch
new file mode 100644
index 0000000..e29bc55
--- /dev/null
+++ b/doc/dialog/dialog-1.3-20190724.patch
@@ -0,0 +1,467 @@
+diff -b --unified -Nr dialog-1.3-20190724-orig/checklist.c dialog-1.3-20190724/checklist.c
+--- dialog-1.3-20190724-orig/checklist.c	2019-07-25 01:17:14.000000000 +0300
++++ dialog-1.3-20190724/checklist.c	2019-07-26 14:14:01.063282363 +0300
+@@ -29,7 +29,7 @@
+ #include <dialog.h>
+ #include <dlg_keys.h>
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ typedef struct {
+     /* the outer-window */
+diff -b --unified -Nr dialog-1.3-20190724-orig/dialog-config.in dialog-1.3-20190724/dialog-config.in
+--- dialog-1.3-20190724-orig/dialog-config.in	2019-07-23 11:44:33.000000000 +0300
++++ dialog-1.3-20190724/dialog-config.in	2019-07-26 14:14:01.063282363 +0300
+@@ -73,7 +73,12 @@
+ 			INCS="-I${prefix}/include"
+ 		fi
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+-			$INCS
++			@CFLAGS@ $INCS
++ENDECHO
++		;;
++	--ldflags)
++		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
++			-L@libdir@
+ ENDECHO
+ 		;;
+ 	--cflags-only-other)
+@@ -81,12 +86,12 @@
+ 		;;
+ 	--libs)
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+-			-L${exec_prefix}/lib -l${THIS} @LIBS@
++			-l${THIS} @LIBS@
+ ENDECHO
+ 		;;
+ 	--libs-only-L)
+ 		OPTS=
+-		for opt in "$LIBS"
++		for opt in -L@libdir@ -l${THIS} @LIBS@
+ 		do
+ 			case "x$opt" in
+ 			x-L*)
+@@ -98,7 +103,7 @@
+ 		;;
+ 	--libs-only-l)
+ 		OPTS=
+-		for opt in "$LIBS"
++		for opt in -L@libdir@ -l${THIS} @LIBS@
+ 		do
+ 			case "x$opt" in
+ 			x-l*)
+@@ -110,7 +115,7 @@
+ 		;;
+ 	--libs-only-other)
+ 		OPTS=
+-		for opt in "$LIBS"
++		for opt in -L@libdir@ -l${THIS} @LIBS@
+ 		do
+ 			case "x$opt" in
+ 			x-[lL]*)
+@@ -154,6 +159,7 @@
+   --exec-prefix=ARG  sets the executable-prefix of ${THIS}
+ 
+   --cflags           echos the C compiler flags needed to compile with ${THIS}
++  --ldflags          echos the linker flags needed to link with ${THIS}
+   --libs             echos the libraries needed to link with ${THIS}
+ 
+   --libs-only-L      echos -L linker options (search path) for ${THIS}
+diff -b --unified -Nr dialog-1.3-20190724-orig/dialog.m4 dialog-1.3-20190724/dialog.m4
+--- dialog-1.3-20190724-orig/dialog.m4	1970-01-01 03:00:00.000000000 +0300
++++ dialog-1.3-20190724/dialog.m4	2019-07-26 14:14:01.063282363 +0300
+@@ -0,0 +1,333 @@
++dnl #
++dnl # /usr/share/aclocal/dialog.m4
++dnl #
++dnl # Configure paths for dialog
++dnl # Andrew V.Kosteltsev
++
++dnl ============================================================
++dnl
++dnl  Synopsis:
++dnl     AC_CHECK_DIALOG([MIN-VERSION [,                  # minimum dialog version, e.g. 1.3-20190211
++dnl                           DEFAULT-WITH-DIALOG [,     # default value for --with-dialog option
++dnl                           DEFAULT-WITH-DIALOG-TEST [,# default value for --with-dialog-test option
++dnl                           EXTEND-VARS [,                  # whether CFLAGS/LDFLAGS/etc are extended
++dnl                           ACTION-IF-FOUND [,              # action to perform if dialog was found
++dnl                           ACTION-IF-NOT-FOUND             # action to perform if dialog was not found
++dnl                          ]]]]]])
++dnl  Examples:
++dnl     AC_CHECK_DIALOG(1.3-20190211)
++dnl     AC_CHECK_DIALOG(1.3-20190211,,,no,CFLAGS="$CFLAGS -DHAVE_DIALOG $DIALOG_CFLAGS")
++dnl     AC_CHECK_DIALOG(1.3-20190211,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_DIALOG")
++dnl
++dnl
++dnl  If you have to change prefix returned by dialog-config script or change
++dnl  location of dialog-config, you may set environment variable DIALOG_CONFIG,
++dnl  for example:
++dnl
++dnl  # export DIALOG_CONFIG="dialog-config --prefix=/usr/local"
++dnl  # export DIALOG_CONFIG="/usr/bin/dialog-config --prefix=/usr/local"
++dnl
++dnl ============================================================
++dnl
++dnl ============================================================
++dnl  auxilliary macros
++dnl ============================================================
++AC_DEFUN([_AC_DIALOG_ERROR], [dnl
++AC_MSG_RESULT([*FAILED*])
++cat <<EOT | sed -e 's/^[[ 	]]*/ | /' -e 's/>>/  /' 1>&2
++$1
++EOT
++exit 1
++])
++
++AC_DEFUN([_AC_DIALOG_VERBOSE], [dnl
++if test ".$verbose" = .yes; then
++    AC_MSG_RESULT([  $1])
++fi
++])
++
++dnl ============================================================
++dnl  the user macro
++dnl ============================================================
++AC_DEFUN([AC_CHECK_DIALOG], [dnl
++dnl
++dnl ============================================================
++dnl  prerequisites
++dnl ============================================================
++AC_REQUIRE([AC_PROG_CC])dnl
++AC_REQUIRE([AC_PROG_CPP])dnl
++dnl
++dnl ============================================================
++dnl  set DIALOG_CONFIG variable
++dnl ============================================================
++if test -z "$DIALOG_CONFIG"; then
++  DIALOG_CONFIG='dialog-config'
++fi
++dnl
++DIALOG_CFLAGS=''
++DIALOG_LDFLAGS=''
++DIALOG_LIBS=''
++AC_SUBST(DIALOG_CFLAGS)
++AC_SUBST(DIALOG_LDFLAGS)
++AC_SUBST(DIALOG_LIBS)
++dnl
++dnl ============================================================
++dnl  command line options
++dnl ============================================================
++_AC_DIALOG_VERBOSE([])
++AC_ARG_WITH(dialog,dnl
++[  --with-dialog[=ARG]       Build with dialog Library  (default=]ifelse([$2],,yes,$2)[)],dnl
++,dnl
++with_dialog="ifelse([$2],,yes,$2)"
++)dnl
++AC_ARG_WITH(dialog-test,dnl
++[  --with-dialog-test      Perform dialog Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
++,dnl
++with_dialog_test="ifelse([$3],,yes,$3)"
++)dnl
++_AC_DIALOG_VERBOSE([+ Command Line Options:])
++_AC_DIALOG_VERBOSE([    o --with-dialog=$with_dialog])
++_AC_DIALOG_VERBOSE([    o --with-dialog-test=$with_dialog_test])
++dnl
++dnl ============================================================
++dnl  configuration
++dnl ============================================================
++if test ".$with_dialog" != .no; then
++    dialog_subdir=no
++    dialog_subdir_opts=''
++    case "$with_dialog" in
++        subdir:* )
++            dialog_subdir=yes
++            changequote(, )dnl
++            dialog_subdir_opts=`echo $with_dialog | sed -e 's/^subdir:[^ 	]*[ 	]*//'`
++            with_dialog=`echo $with_dialog | sed -e 's/^subdir:\([^ 	]*\).*$/\1/'`
++            changequote([, ])dnl
++            ;;
++    esac
++    dialog_version=""
++    dialog_location=""
++    dialog_type=""
++    dialog_cflags=""
++    dialog_ldflags=""
++    dialog_libs=""
++    if test ".$with_dialog" = .yes; then
++        #   via config script in $PATH
++        changequote(, )dnl
++        dialog_version=`($DIALOG_CONFIG --version) 2>/dev/null |\
++                      sed -e 's/^.*\([0-9]\.[0-9]*[-][0-9]*\).*$/\1/'`
++        changequote([, ])dnl
++        if test ".$dialog_version" != .; then
++            dialog_location=`$DIALOG_CONFIG --prefix`
++            dialog_type='installed'
++            dialog_cflags=`$DIALOG_CONFIG --cflags`
++            dialog_ldflags=`$DIALOG_CONFIG --ldflags`
++            dialog_libs=`$DIALOG_CONFIG --libs`
++        fi
++    elif test -d "$with_dialog"; then
++        with_dialog=`echo $with_dialog | sed -e 's;/*$;;'`
++        dialog_found=no
++        #   via config script under a specified directory
++        #   (a standard installation, but not a source tree)
++        if test ".$dialog_found" = .no; then
++            for _dir in $with_dialog/bin $with_dialog; do
++                if test -f "$_dir/dialog-config"; then
++                    test -f "$_dir/dialog-config.in" && continue # dialog-config in source tree!
++                    changequote(, )dnl
++                    dialog_version=`($_dir/dialog-config --version) 2>/dev/null |\
++                                  sed -e 's/^.*\([0-9]\.[0-9]*[.][0-9]*\).*$/\1/'`
++                    changequote([, ])dnl
++                    if test ".$dialog_version" != .; then
++                        dialog_location=`$_dir/dialog-config --prefix`
++                        dialog_type="installed"
++                        dialog_cflags=`$_dir/dialog-config --cflags`
++                        dialog_ldflags=`$_dir/dialog-config --ldflags`
++                        dialog_libs=`$_dir/dialog-config --libs`
++                        dialog_found=yes
++                        break
++                    fi
++                fi
++            done
++        fi
++    fi
++    _AC_DIALOG_VERBOSE([+ Determined Location:])
++    _AC_DIALOG_VERBOSE([    o path: $dialog_location])
++    _AC_DIALOG_VERBOSE([    o type: $dialog_type])
++    if test ".$dialog_version" = .; then
++        if test ".$with_dialog" != .yes; then
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog under $with_dialog.
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past).])
++        else
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog in any system-wide location (see \$PATH).
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past, or set the DIALOG_CONFIG environment variable to the full path
++             to dialog-config).])
++        fi
++    fi
++    dnl ========================================================
++    dnl  Check whether the found version is sufficiently new
++    dnl ========================================================
++    _req_version="ifelse([$1],,1.0.0,$1)"
++    for _var in dialog_version _req_version; do
++        eval "_val=\"\$${_var}\""
++        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\1/'`
++        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\2/'`
++        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\4/'`
++        _hex=`echo dummy | awk '{ printf("%d%02d%02d", major, minor, micro); }' \
++              "major=$_major" "minor=$_minor" "micro=$_micro"`
++        eval "${_var}_hex=\"\$_hex\""
++    done
++    _AC_DIALOG_VERBOSE([+ Determined Versions:])
++    _AC_DIALOG_VERBOSE([    o existing: $dialog_version -> 0x$dialog_version_hex])
++    _AC_DIALOG_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
++    _ok=0
++    if test ".$dialog_version_hex" != .; then
++        if test ".$_req_version_hex" != .; then
++            if test $dialog_version_hex -ge $_req_version_hex; then
++                _ok=1
++            fi
++        fi
++    fi
++    if test ".$_ok" = .0; then
++        _AC_DIALOG_ERROR([dnl
++        Found dialog version $dialog_version, but required at least version $_req_version.
++        Upgrade dialog under $dialog_location to $_req_version or higher first, please.])
++    fi
++    dnl ========================================================
++    dnl  Perform dialog Sanity Compile Check
++    dnl ========================================================
++    if test ".$with_dialog_test" = .yes; then
++        _ac_save_CFLAGS="$CFLAGS"
++        _ac_save_LDFLAGS="$LDFLAGS"
++        _ac_save_LIBS="$LIBS"
++        CFLAGS="$CFLAGS $dialog_cflags"
++        LDFLAGS="$LDFLAGS $dialog_ldflags"
++        LIBS="$LIBS $dialog_libs"
++        _AC_DIALOG_VERBOSE([+ Test Build Environment:])
++        _AC_DIALOG_VERBOSE([    o CFLAGS=\"$CFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LDFLAGS=\"$LDFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LIBS=\"$LIBS\"])
++        cross_compile=no
++        define(_code1, [dnl
++
++#include <stdlib.h>
++#include <stdio.h>
++#include <strings.h>  /* index(3)    */
++
++#include <dialog.h>
++#include <dlg_colors.h>
++#include <dlg_keys.h>
++
++        ])
++        define(_code2, [dnl
++
++int main( void )
++{
++  int status = 0;
++
++  bzero( (void *)&dialog_vars, sizeof(DIALOG_VARS) );
++
++  init_dialog(stdin, stdout);
++
++  dialog_vars.colors = 1;
++  dialog_vars.backtitle = "\\Z7Test\\Zn \\Z1dialog\\Zn \\Z7Library\\Zn";
++  dialog_vars.dlg_clear_screen = 1;
++  dialog_vars.sleep_secs = 1;
++
++
++  dlg_put_backtitle();
++
++  /*************************************************
++    Ruler: 68 characters + 2 spaces left and right:
++
++                           | ----handy-ruler----------------------------------------------------- | */
++  status = dialog_msgbox( " \\Z4Dialog ==>\\Zn\\Z1libdialog\\Zn\\Z4<== [required]\\Zn ",
++                          "\nPackage is installed and corect.\n",
++                          5, 72, 0 );
++
++  if( dialog_vars.sleep_secs )
++    (void)napms(dialog_vars.sleep_secs * 1000);
++
++  if( dialog_vars.dlg_clear_screen )
++  {
++    dlg_clear();
++    (void)refresh();
++  }
++  end_dialog();
++
++  exit( 0 );
++}
++        ])
++        _AC_DIALOG_VERBOSE([+ Performing Sanity Checks:])
++        _AC_DIALOG_VERBOSE([    o pre-processor test])
++        AC_TRY_CPP(_code1, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity pre-processor check. This means
++            the dialog header dialog.h was not found.
++            We used the following build environment:
++            >> CPP="$CPP"
++            See config.log for possibly more details.])
++        fi
++        _AC_DIALOG_VERBOSE([    o link check])
++        AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity linker check. This means
++            the dialog library libdialog.a was not found.
++            We used the following build environment:
++            >> CC="$CC"
++            >> CFLAGS="$CFLAGS"
++            >> LDFLAGS="$LDFLAGS"
++            >> LIBS="$LIBS"
++            See config.log for possibly more details.])
++        fi
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" != .yes; then
++            CFLAGS="$_ac_save_CFLAGS"
++            LDFLAGS="$_ac_save_LDFLAGS"
++            LIBS="$_ac_save_LIBS"
++        fi
++    else
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" = .yes; then
++            if test ".$dialog_subdir" = .yes; then
++                CFLAGS="$CFLAGS $dialog_cflags"
++                LDFLAGS="$LDFLAGS $dialog_ldflags"
++                LIBS="$LIBS $dialog_libs"
++            fi
++        fi
++    fi
++    DIALOG_CFLAGS="$dialog_cflags"
++    DIALOG_LDFLAGS="$dialog_ldflags"
++    DIALOG_LIBS="$dialog_libs"
++    AC_SUBST(DIALOG_CFLAGS)
++    AC_SUBST(DIALOG_LDFLAGS)
++    AC_SUBST(DIALOG_LIBS)
++
++    AC_SUBST(HAVE_DIALOG, [1])
++
++    AC_CHECK_HEADERS(dialog.h dlg_colors.h dlg_keys.h)
++
++    _AC_DIALOG_VERBOSE([+ Final Results:])
++    _AC_DIALOG_VERBOSE([    o DIALOG_CFLAGS=\"$DIALOG_CFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LDFLAGS=\"$DIALOG_LDFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LIBS=\"$DIALOG_LIBS\"])
++fi
++if test ".$with_dialog" != .no; then
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([version $dialog_version, $dialog_type under $dialog_location])
++    ifelse([$5], , :, [$5])
++else
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([no])
++    ifelse([$6], , :, [$6])
++fi
++])
++
+diff -b --unified -Nr dialog-1.3-20190724-orig/fselect.c dialog-1.3-20190724/fselect.c
+--- dialog-1.3-20190724-orig/fselect.c	2019-07-25 02:40:15.000000000 +0300
++++ dialog-1.3-20190724/fselect.c	2019-07-26 14:14:01.063282363 +0300
+@@ -639,7 +639,7 @@
+     dlg_print_size(height, width);
+     dlg_ctl_size(height, width);
+ 
+-    dialog = dlg_new_window(height, width,
++    dialog = dlg_new_window(height + 1, width,
+ 			    dlg_box_y_ordinate(height),
+ 			    dlg_box_x_ordinate(width));
+     dlg_register_window(dialog, "fselect", binding);
+@@ -647,7 +647,7 @@
+ 
+     dlg_mouse_setbase(0, 0);
+ 
+-    dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
++    dlg_draw_box2(dialog, 0, 0, height + 1, width, dialog_attr, border_attr, border2_attr);
+     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
+     dlg_draw_title(dialog, title);
+ 
+@@ -656,7 +656,7 @@
+     /* Draw the input field box */
+     tbox_height = 1;
+     tbox_width = width - (4 * MARGIN + 2);
+-    tbox_y = height - (BTN_HIGH * 2) + MARGIN;
++    tbox_y = height - (BTN_HIGH * 2) + MARGIN + 1;
+     tbox_x = (width - tbox_width) / 2;
+ 
+     w_text = derwin(dialog, tbox_height, tbox_width, tbox_y, tbox_x);
+@@ -683,7 +683,7 @@
+     else
+ 	dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2;
+     dbox_height = height - MIN_HIGH;
+-    dbox_y = (2 * MARGIN + 1);
++    dbox_y = (2 * MARGIN + 2);
+     dbox_x = tbox_x;
+ 
+     w_work = derwin(dialog, dbox_height, dbox_width, dbox_y, dbox_x);
+@@ -743,7 +743,7 @@
+ 	if (show_buttons) {
+ 	    show_buttons = FALSE;
+ 	    button = (state < 0) ? 0 : state;
+-	    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
++	    dlg_draw_buttons(dialog, height - 1, 0, buttons, button, FALSE, width);
+ 	}
+ 
+ 	if (first_trace) {
+diff -b --unified -Nr dialog-1.3-20190724-orig/menubox.c dialog-1.3-20190724/menubox.c
+--- dialog-1.3-20190724-orig/menubox.c	2019-07-25 02:42:20.000000000 +0300
++++ dialog-1.3-20190724/menubox.c	2019-07-26 14:14:01.063282363 +0300
+@@ -48,7 +48,7 @@
+     int item_no;
+ } ALL_DATA;
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ #define INPUT_ROWS     3	/* rows per inputmenu entry */
+ 
diff --git a/doc/dialog/dialog-1.3-20190728.patch b/doc/dialog/dialog-1.3-20190728.patch
new file mode 100644
index 0000000..4d39715
--- /dev/null
+++ b/doc/dialog/dialog-1.3-20190728.patch
@@ -0,0 +1,467 @@
+diff -b --unified -Nr dialog-1.3-20190728-orig/checklist.c dialog-1.3-20190728/checklist.c
+--- dialog-1.3-20190728-orig/checklist.c	2019-07-25 01:17:14.000000000 +0300
++++ dialog-1.3-20190728/checklist.c	2019-08-01 22:20:16.712332775 +0300
+@@ -29,7 +29,7 @@
+ #include <dialog.h>
+ #include <dlg_keys.h>
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ typedef struct {
+     /* the outer-window */
+diff -b --unified -Nr dialog-1.3-20190728-orig/dialog-config.in dialog-1.3-20190728/dialog-config.in
+--- dialog-1.3-20190728-orig/dialog-config.in	2019-07-29 02:02:53.000000000 +0300
++++ dialog-1.3-20190728/dialog-config.in	2019-08-01 22:20:16.712332775 +0300
+@@ -89,7 +89,12 @@
+ 			INCS="-I${prefix}/include"
+ 		fi
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+-			$INCS
++			@CFLAGS@ $INCS
++ENDECHO
++		;;
++	--ldflags)
++		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
++			-L@libdir@
+ ENDECHO
+ 		;;
+ 	--cflags-only-other)
+@@ -97,12 +102,12 @@
+ 		;;
+ 	--libs)
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+-			-L${exec_prefix}/lib -l${THIS} @LIBS@
++			-l${THIS} @LIBS@
+ ENDECHO
+ 		;;
+ 	--libs-only-L)
+ 		OPTS=
+-		for opt in @LIBS@
++		for opt in -L@libdir@ -l${THIS} @LIBS@
+ 		do
+ 			case "x$opt" in
+ 			x-L*)
+@@ -114,7 +119,7 @@
+ 		;;
+ 	--libs-only-l)
+ 		OPTS=
+-		for opt in @LIBS@
++		for opt in -L@libdir@ -l${THIS} @LIBS@
+ 		do
+ 			case "x$opt" in
+ 			x-l*)
+@@ -126,7 +131,7 @@
+ 		;;
+ 	--libs-only-other)
+ 		OPTS=
+-		for opt in @LIBS@
++		for opt in -L@libdir@ -l${THIS} @LIBS@
+ 		do
+ 			case "x$opt" in
+ 			x-[lL]*)
+@@ -170,6 +175,7 @@
+   --exec-prefix=ARG  sets the executable-prefix of ${THIS}
+ 
+   --cflags           echos the C compiler flags needed to compile with ${THIS}
++  --ldflags          echos the linker flags needed to link with ${THIS}
+   --libs             echos the libraries needed to link with ${THIS}
+ 
+   --libs-only-L      echos -L linker options (search path) for ${THIS}
+diff -b --unified -Nr dialog-1.3-20190728-orig/dialog.m4 dialog-1.3-20190728/dialog.m4
+--- dialog-1.3-20190728-orig/dialog.m4	1970-01-01 03:00:00.000000000 +0300
++++ dialog-1.3-20190728/dialog.m4	2019-08-01 22:20:16.712332775 +0300
+@@ -0,0 +1,333 @@
++dnl #
++dnl # /usr/share/aclocal/dialog.m4
++dnl #
++dnl # Configure paths for dialog
++dnl # Andrew V.Kosteltsev
++
++dnl ============================================================
++dnl
++dnl  Synopsis:
++dnl     AC_CHECK_DIALOG([MIN-VERSION [,                  # minimum dialog version, e.g. 1.3-20190211
++dnl                           DEFAULT-WITH-DIALOG [,     # default value for --with-dialog option
++dnl                           DEFAULT-WITH-DIALOG-TEST [,# default value for --with-dialog-test option
++dnl                           EXTEND-VARS [,                  # whether CFLAGS/LDFLAGS/etc are extended
++dnl                           ACTION-IF-FOUND [,              # action to perform if dialog was found
++dnl                           ACTION-IF-NOT-FOUND             # action to perform if dialog was not found
++dnl                          ]]]]]])
++dnl  Examples:
++dnl     AC_CHECK_DIALOG(1.3-20190211)
++dnl     AC_CHECK_DIALOG(1.3-20190211,,,no,CFLAGS="$CFLAGS -DHAVE_DIALOG $DIALOG_CFLAGS")
++dnl     AC_CHECK_DIALOG(1.3-20190211,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_DIALOG")
++dnl
++dnl
++dnl  If you have to change prefix returned by dialog-config script or change
++dnl  location of dialog-config, you may set environment variable DIALOG_CONFIG,
++dnl  for example:
++dnl
++dnl  # export DIALOG_CONFIG="dialog-config --prefix=/usr/local"
++dnl  # export DIALOG_CONFIG="/usr/bin/dialog-config --prefix=/usr/local"
++dnl
++dnl ============================================================
++dnl
++dnl ============================================================
++dnl  auxilliary macros
++dnl ============================================================
++AC_DEFUN([_AC_DIALOG_ERROR], [dnl
++AC_MSG_RESULT([*FAILED*])
++cat <<EOT | sed -e 's/^[[ 	]]*/ | /' -e 's/>>/  /' 1>&2
++$1
++EOT
++exit 1
++])
++
++AC_DEFUN([_AC_DIALOG_VERBOSE], [dnl
++if test ".$verbose" = .yes; then
++    AC_MSG_RESULT([  $1])
++fi
++])
++
++dnl ============================================================
++dnl  the user macro
++dnl ============================================================
++AC_DEFUN([AC_CHECK_DIALOG], [dnl
++dnl
++dnl ============================================================
++dnl  prerequisites
++dnl ============================================================
++AC_REQUIRE([AC_PROG_CC])dnl
++AC_REQUIRE([AC_PROG_CPP])dnl
++dnl
++dnl ============================================================
++dnl  set DIALOG_CONFIG variable
++dnl ============================================================
++if test -z "$DIALOG_CONFIG"; then
++  DIALOG_CONFIG='dialog-config'
++fi
++dnl
++DIALOG_CFLAGS=''
++DIALOG_LDFLAGS=''
++DIALOG_LIBS=''
++AC_SUBST(DIALOG_CFLAGS)
++AC_SUBST(DIALOG_LDFLAGS)
++AC_SUBST(DIALOG_LIBS)
++dnl
++dnl ============================================================
++dnl  command line options
++dnl ============================================================
++_AC_DIALOG_VERBOSE([])
++AC_ARG_WITH(dialog,dnl
++[  --with-dialog[=ARG]       Build with dialog Library  (default=]ifelse([$2],,yes,$2)[)],dnl
++,dnl
++with_dialog="ifelse([$2],,yes,$2)"
++)dnl
++AC_ARG_WITH(dialog-test,dnl
++[  --with-dialog-test      Perform dialog Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
++,dnl
++with_dialog_test="ifelse([$3],,yes,$3)"
++)dnl
++_AC_DIALOG_VERBOSE([+ Command Line Options:])
++_AC_DIALOG_VERBOSE([    o --with-dialog=$with_dialog])
++_AC_DIALOG_VERBOSE([    o --with-dialog-test=$with_dialog_test])
++dnl
++dnl ============================================================
++dnl  configuration
++dnl ============================================================
++if test ".$with_dialog" != .no; then
++    dialog_subdir=no
++    dialog_subdir_opts=''
++    case "$with_dialog" in
++        subdir:* )
++            dialog_subdir=yes
++            changequote(, )dnl
++            dialog_subdir_opts=`echo $with_dialog | sed -e 's/^subdir:[^ 	]*[ 	]*//'`
++            with_dialog=`echo $with_dialog | sed -e 's/^subdir:\([^ 	]*\).*$/\1/'`
++            changequote([, ])dnl
++            ;;
++    esac
++    dialog_version=""
++    dialog_location=""
++    dialog_type=""
++    dialog_cflags=""
++    dialog_ldflags=""
++    dialog_libs=""
++    if test ".$with_dialog" = .yes; then
++        #   via config script in $PATH
++        changequote(, )dnl
++        dialog_version=`($DIALOG_CONFIG --version) 2>/dev/null |\
++                      sed -e 's/^.*\([0-9]\.[0-9]*[-][0-9]*\).*$/\1/'`
++        changequote([, ])dnl
++        if test ".$dialog_version" != .; then
++            dialog_location=`$DIALOG_CONFIG --prefix`
++            dialog_type='installed'
++            dialog_cflags=`$DIALOG_CONFIG --cflags`
++            dialog_ldflags=`$DIALOG_CONFIG --ldflags`
++            dialog_libs=`$DIALOG_CONFIG --libs`
++        fi
++    elif test -d "$with_dialog"; then
++        with_dialog=`echo $with_dialog | sed -e 's;/*$;;'`
++        dialog_found=no
++        #   via config script under a specified directory
++        #   (a standard installation, but not a source tree)
++        if test ".$dialog_found" = .no; then
++            for _dir in $with_dialog/bin $with_dialog; do
++                if test -f "$_dir/dialog-config"; then
++                    test -f "$_dir/dialog-config.in" && continue # dialog-config in source tree!
++                    changequote(, )dnl
++                    dialog_version=`($_dir/dialog-config --version) 2>/dev/null |\
++                                  sed -e 's/^.*\([0-9]\.[0-9]*[.][0-9]*\).*$/\1/'`
++                    changequote([, ])dnl
++                    if test ".$dialog_version" != .; then
++                        dialog_location=`$_dir/dialog-config --prefix`
++                        dialog_type="installed"
++                        dialog_cflags=`$_dir/dialog-config --cflags`
++                        dialog_ldflags=`$_dir/dialog-config --ldflags`
++                        dialog_libs=`$_dir/dialog-config --libs`
++                        dialog_found=yes
++                        break
++                    fi
++                fi
++            done
++        fi
++    fi
++    _AC_DIALOG_VERBOSE([+ Determined Location:])
++    _AC_DIALOG_VERBOSE([    o path: $dialog_location])
++    _AC_DIALOG_VERBOSE([    o type: $dialog_type])
++    if test ".$dialog_version" = .; then
++        if test ".$with_dialog" != .yes; then
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog under $with_dialog.
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past).])
++        else
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog in any system-wide location (see \$PATH).
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past, or set the DIALOG_CONFIG environment variable to the full path
++             to dialog-config).])
++        fi
++    fi
++    dnl ========================================================
++    dnl  Check whether the found version is sufficiently new
++    dnl ========================================================
++    _req_version="ifelse([$1],,1.0.0,$1)"
++    for _var in dialog_version _req_version; do
++        eval "_val=\"\$${_var}\""
++        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\1/'`
++        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\2/'`
++        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\4/'`
++        _hex=`echo dummy | awk '{ printf("%d%02d%02d", major, minor, micro); }' \
++              "major=$_major" "minor=$_minor" "micro=$_micro"`
++        eval "${_var}_hex=\"\$_hex\""
++    done
++    _AC_DIALOG_VERBOSE([+ Determined Versions:])
++    _AC_DIALOG_VERBOSE([    o existing: $dialog_version -> 0x$dialog_version_hex])
++    _AC_DIALOG_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
++    _ok=0
++    if test ".$dialog_version_hex" != .; then
++        if test ".$_req_version_hex" != .; then
++            if test $dialog_version_hex -ge $_req_version_hex; then
++                _ok=1
++            fi
++        fi
++    fi
++    if test ".$_ok" = .0; then
++        _AC_DIALOG_ERROR([dnl
++        Found dialog version $dialog_version, but required at least version $_req_version.
++        Upgrade dialog under $dialog_location to $_req_version or higher first, please.])
++    fi
++    dnl ========================================================
++    dnl  Perform dialog Sanity Compile Check
++    dnl ========================================================
++    if test ".$with_dialog_test" = .yes; then
++        _ac_save_CFLAGS="$CFLAGS"
++        _ac_save_LDFLAGS="$LDFLAGS"
++        _ac_save_LIBS="$LIBS"
++        CFLAGS="$CFLAGS $dialog_cflags"
++        LDFLAGS="$LDFLAGS $dialog_ldflags"
++        LIBS="$LIBS $dialog_libs"
++        _AC_DIALOG_VERBOSE([+ Test Build Environment:])
++        _AC_DIALOG_VERBOSE([    o CFLAGS=\"$CFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LDFLAGS=\"$LDFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LIBS=\"$LIBS\"])
++        cross_compile=no
++        define(_code1, [dnl
++
++#include <stdlib.h>
++#include <stdio.h>
++#include <strings.h>  /* index(3)    */
++
++#include <dialog.h>
++#include <dlg_colors.h>
++#include <dlg_keys.h>
++
++        ])
++        define(_code2, [dnl
++
++int main( void )
++{
++  int status = 0;
++
++  bzero( (void *)&dialog_vars, sizeof(DIALOG_VARS) );
++
++  init_dialog(stdin, stdout);
++
++  dialog_vars.colors = 1;
++  dialog_vars.backtitle = "\\Z7Test\\Zn \\Z1dialog\\Zn \\Z7Library\\Zn";
++  dialog_vars.dlg_clear_screen = 1;
++  dialog_vars.sleep_secs = 1;
++
++
++  dlg_put_backtitle();
++
++  /*************************************************
++    Ruler: 68 characters + 2 spaces left and right:
++
++                           | ----handy-ruler----------------------------------------------------- | */
++  status = dialog_msgbox( " \\Z4Dialog ==>\\Zn\\Z1libdialog\\Zn\\Z4<== [required]\\Zn ",
++                          "\nPackage is installed and corect.\n",
++                          5, 72, 0 );
++
++  if( dialog_vars.sleep_secs )
++    (void)napms(dialog_vars.sleep_secs * 1000);
++
++  if( dialog_vars.dlg_clear_screen )
++  {
++    dlg_clear();
++    (void)refresh();
++  }
++  end_dialog();
++
++  exit( 0 );
++}
++        ])
++        _AC_DIALOG_VERBOSE([+ Performing Sanity Checks:])
++        _AC_DIALOG_VERBOSE([    o pre-processor test])
++        AC_TRY_CPP(_code1, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity pre-processor check. This means
++            the dialog header dialog.h was not found.
++            We used the following build environment:
++            >> CPP="$CPP"
++            See config.log for possibly more details.])
++        fi
++        _AC_DIALOG_VERBOSE([    o link check])
++        AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity linker check. This means
++            the dialog library libdialog.a was not found.
++            We used the following build environment:
++            >> CC="$CC"
++            >> CFLAGS="$CFLAGS"
++            >> LDFLAGS="$LDFLAGS"
++            >> LIBS="$LIBS"
++            See config.log for possibly more details.])
++        fi
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" != .yes; then
++            CFLAGS="$_ac_save_CFLAGS"
++            LDFLAGS="$_ac_save_LDFLAGS"
++            LIBS="$_ac_save_LIBS"
++        fi
++    else
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" = .yes; then
++            if test ".$dialog_subdir" = .yes; then
++                CFLAGS="$CFLAGS $dialog_cflags"
++                LDFLAGS="$LDFLAGS $dialog_ldflags"
++                LIBS="$LIBS $dialog_libs"
++            fi
++        fi
++    fi
++    DIALOG_CFLAGS="$dialog_cflags"
++    DIALOG_LDFLAGS="$dialog_ldflags"
++    DIALOG_LIBS="$dialog_libs"
++    AC_SUBST(DIALOG_CFLAGS)
++    AC_SUBST(DIALOG_LDFLAGS)
++    AC_SUBST(DIALOG_LIBS)
++
++    AC_SUBST(HAVE_DIALOG, [1])
++
++    AC_CHECK_HEADERS(dialog.h dlg_colors.h dlg_keys.h)
++
++    _AC_DIALOG_VERBOSE([+ Final Results:])
++    _AC_DIALOG_VERBOSE([    o DIALOG_CFLAGS=\"$DIALOG_CFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LDFLAGS=\"$DIALOG_LDFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LIBS=\"$DIALOG_LIBS\"])
++fi
++if test ".$with_dialog" != .no; then
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([version $dialog_version, $dialog_type under $dialog_location])
++    ifelse([$5], , :, [$5])
++else
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([no])
++    ifelse([$6], , :, [$6])
++fi
++])
++
+diff -b --unified -Nr dialog-1.3-20190728-orig/fselect.c dialog-1.3-20190728/fselect.c
+--- dialog-1.3-20190728-orig/fselect.c	2019-07-25 02:40:15.000000000 +0300
++++ dialog-1.3-20190728/fselect.c	2019-08-01 22:20:16.712332775 +0300
+@@ -639,7 +639,7 @@
+     dlg_print_size(height, width);
+     dlg_ctl_size(height, width);
+ 
+-    dialog = dlg_new_window(height, width,
++    dialog = dlg_new_window(height + 1, width,
+ 			    dlg_box_y_ordinate(height),
+ 			    dlg_box_x_ordinate(width));
+     dlg_register_window(dialog, "fselect", binding);
+@@ -647,7 +647,7 @@
+ 
+     dlg_mouse_setbase(0, 0);
+ 
+-    dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
++    dlg_draw_box2(dialog, 0, 0, height + 1, width, dialog_attr, border_attr, border2_attr);
+     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
+     dlg_draw_title(dialog, title);
+ 
+@@ -656,7 +656,7 @@
+     /* Draw the input field box */
+     tbox_height = 1;
+     tbox_width = width - (4 * MARGIN + 2);
+-    tbox_y = height - (BTN_HIGH * 2) + MARGIN;
++    tbox_y = height - (BTN_HIGH * 2) + MARGIN + 1;
+     tbox_x = (width - tbox_width) / 2;
+ 
+     w_text = derwin(dialog, tbox_height, tbox_width, tbox_y, tbox_x);
+@@ -683,7 +683,7 @@
+     else
+ 	dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2;
+     dbox_height = height - MIN_HIGH;
+-    dbox_y = (2 * MARGIN + 1);
++    dbox_y = (2 * MARGIN + 2);
+     dbox_x = tbox_x;
+ 
+     w_work = derwin(dialog, dbox_height, dbox_width, dbox_y, dbox_x);
+@@ -743,7 +743,7 @@
+ 	if (show_buttons) {
+ 	    show_buttons = FALSE;
+ 	    button = (state < 0) ? 0 : state;
+-	    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
++	    dlg_draw_buttons(dialog, height - 1, 0, buttons, button, FALSE, width);
+ 	}
+ 
+ 	if (first_trace) {
+diff -b --unified -Nr dialog-1.3-20190728-orig/menubox.c dialog-1.3-20190728/menubox.c
+--- dialog-1.3-20190728-orig/menubox.c	2019-07-25 02:42:20.000000000 +0300
++++ dialog-1.3-20190728/menubox.c	2019-08-01 22:20:16.712332775 +0300
+@@ -48,7 +48,7 @@
+     int item_no;
+ } ALL_DATA;
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ #define INPUT_ROWS     3	/* rows per inputmenu entry */
+ 
diff --git a/doc/dialog/dialog-1.3-20190808.patch b/doc/dialog/dialog-1.3-20190808.patch
new file mode 100644
index 0000000..6c27a3b
--- /dev/null
+++ b/doc/dialog/dialog-1.3-20190808.patch
@@ -0,0 +1,460 @@
+diff --unified -Nr dialog-1.3-20190808-orig/checklist.c dialog-1.3-20190808/checklist.c
+--- dialog-1.3-20190808-orig/checklist.c	2019-08-05 12:14:59.000000000 +0300
++++ dialog-1.3-20190808/checklist.c	2019-08-15 19:43:02.164788537 +0300
+@@ -29,7 +29,7 @@
+ #include <dialog.h>
+ #include <dlg_keys.h>
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ typedef struct {
+     /* the outer-window */
+diff --unified -Nr dialog-1.3-20190808-orig/dialog-config.in dialog-1.3-20190808/dialog-config.in
+--- dialog-1.3-20190808-orig/dialog-config.in	2019-08-02 03:20:15.000000000 +0300
++++ dialog-1.3-20190808/dialog-config.in	2019-08-15 19:43:02.164788537 +0300
+@@ -60,7 +60,7 @@
+ 	[ -z "$includedir" ] && includedir="${prefix}/include" 
+ 
+ 	eval LDFLAGS='"@LDFLAGS@"'
+-	[ -z "$LDFLAGS" ] && LDFLAGS="-L${exec_prefix}/lib"
++	[ -z "$LDFLAGS" ] && LDFLAGS="-L${libdir}"
+ 
+ 	eval LIBS='"@LIBS@"'
+ 	LIBS="-l${THIS} $LIBS"
+@@ -93,10 +93,7 @@
+ 		;;
+ 	# compile/link
+ 	--cflags|--cflags-only-I)
+-		INCS=
+-		if test "$includedir" != /usr/include ; then
+-			INCS="-I$includedir"
+-		fi
++		INCS="-I$includedir"
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+ 			$INCS
+ ENDECHO
+@@ -110,6 +107,18 @@
+ 			$LIBS
+ ENDECHO
+ 		;;
++	--ldflags)
++		OPTS=
++		for opt in $LDFLAGS $LIBS
++		do
++			case "x$opt" in
++			x-[^l]*)
++				OPTS="$OPTS $opt"
++				;;
++			esac
++		done
++		printf "%s\n" "$OPTS"
++		;;
+ 	--libs-only-L)
+ 		OPTS=
+ 		for opt in $LDFLAGS $LIBS
+@@ -182,6 +191,7 @@
+   --cflags           echos the C compiler flags needed to compile with ${THIS}
+   --libs             echos the libraries needed to link with ${THIS}
+ 
++  --ldflags          echos the linker flags needed to link with ${THIS}
+   --libs-only-L      echos -L linker options (search path) for ${THIS}
+   --libs-only-l      echos -l linker options (libraries) for ${THIS}
+   --libs-only-other  echos linker options other than -L/-l
+diff --unified -Nr dialog-1.3-20190808-orig/dialog.m4 dialog-1.3-20190808/dialog.m4
+--- dialog-1.3-20190808-orig/dialog.m4	1970-01-01 03:00:00.000000000 +0300
++++ dialog-1.3-20190808/dialog.m4	2019-08-15 19:43:02.164788537 +0300
+@@ -0,0 +1,333 @@
++dnl #
++dnl # /usr/share/aclocal/dialog.m4
++dnl #
++dnl # Configure paths for dialog
++dnl # Andrew V.Kosteltsev
++
++dnl ============================================================
++dnl
++dnl  Synopsis:
++dnl     AC_CHECK_DIALOG([MIN-VERSION [,                  # minimum dialog version, e.g. 1.3-20190211
++dnl                           DEFAULT-WITH-DIALOG [,     # default value for --with-dialog option
++dnl                           DEFAULT-WITH-DIALOG-TEST [,# default value for --with-dialog-test option
++dnl                           EXTEND-VARS [,                  # whether CFLAGS/LDFLAGS/etc are extended
++dnl                           ACTION-IF-FOUND [,              # action to perform if dialog was found
++dnl                           ACTION-IF-NOT-FOUND             # action to perform if dialog was not found
++dnl                          ]]]]]])
++dnl  Examples:
++dnl     AC_CHECK_DIALOG(1.3-20190211)
++dnl     AC_CHECK_DIALOG(1.3-20190211,,,no,CFLAGS="$CFLAGS -DHAVE_DIALOG $DIALOG_CFLAGS")
++dnl     AC_CHECK_DIALOG(1.3-20190211,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_DIALOG")
++dnl
++dnl
++dnl  If you have to change prefix returned by dialog-config script or change
++dnl  location of dialog-config, you may set environment variable DIALOG_CONFIG,
++dnl  for example:
++dnl
++dnl  # export DIALOG_CONFIG="dialog-config --prefix=/usr/local"
++dnl  # export DIALOG_CONFIG="/usr/bin/dialog-config --prefix=/usr/local"
++dnl
++dnl ============================================================
++dnl
++dnl ============================================================
++dnl  auxilliary macros
++dnl ============================================================
++AC_DEFUN([_AC_DIALOG_ERROR], [dnl
++AC_MSG_RESULT([*FAILED*])
++cat <<EOT | sed -e 's/^[[ 	]]*/ | /' -e 's/>>/  /' 1>&2
++$1
++EOT
++exit 1
++])
++
++AC_DEFUN([_AC_DIALOG_VERBOSE], [dnl
++if test ".$verbose" = .yes; then
++    AC_MSG_RESULT([  $1])
++fi
++])
++
++dnl ============================================================
++dnl  the user macro
++dnl ============================================================
++AC_DEFUN([AC_CHECK_DIALOG], [dnl
++dnl
++dnl ============================================================
++dnl  prerequisites
++dnl ============================================================
++AC_REQUIRE([AC_PROG_CC])dnl
++AC_REQUIRE([AC_PROG_CPP])dnl
++dnl
++dnl ============================================================
++dnl  set DIALOG_CONFIG variable
++dnl ============================================================
++if test -z "$DIALOG_CONFIG"; then
++  DIALOG_CONFIG='dialog-config'
++fi
++dnl
++DIALOG_CFLAGS=''
++DIALOG_LDFLAGS=''
++DIALOG_LIBS=''
++AC_SUBST(DIALOG_CFLAGS)
++AC_SUBST(DIALOG_LDFLAGS)
++AC_SUBST(DIALOG_LIBS)
++dnl
++dnl ============================================================
++dnl  command line options
++dnl ============================================================
++_AC_DIALOG_VERBOSE([])
++AC_ARG_WITH(dialog,dnl
++[  --with-dialog[=ARG]       Build with dialog Library  (default=]ifelse([$2],,yes,$2)[)],dnl
++,dnl
++with_dialog="ifelse([$2],,yes,$2)"
++)dnl
++AC_ARG_WITH(dialog-test,dnl
++[  --with-dialog-test      Perform dialog Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
++,dnl
++with_dialog_test="ifelse([$3],,yes,$3)"
++)dnl
++_AC_DIALOG_VERBOSE([+ Command Line Options:])
++_AC_DIALOG_VERBOSE([    o --with-dialog=$with_dialog])
++_AC_DIALOG_VERBOSE([    o --with-dialog-test=$with_dialog_test])
++dnl
++dnl ============================================================
++dnl  configuration
++dnl ============================================================
++if test ".$with_dialog" != .no; then
++    dialog_subdir=no
++    dialog_subdir_opts=''
++    case "$with_dialog" in
++        subdir:* )
++            dialog_subdir=yes
++            changequote(, )dnl
++            dialog_subdir_opts=`echo $with_dialog | sed -e 's/^subdir:[^ 	]*[ 	]*//'`
++            with_dialog=`echo $with_dialog | sed -e 's/^subdir:\([^ 	]*\).*$/\1/'`
++            changequote([, ])dnl
++            ;;
++    esac
++    dialog_version=""
++    dialog_location=""
++    dialog_type=""
++    dialog_cflags=""
++    dialog_ldflags=""
++    dialog_libs=""
++    if test ".$with_dialog" = .yes; then
++        #   via config script in $PATH
++        changequote(, )dnl
++        dialog_version=`($DIALOG_CONFIG --version) 2>/dev/null |\
++                      sed -e 's/^.*\([0-9]\.[0-9]*[-][0-9]*\).*$/\1/'`
++        changequote([, ])dnl
++        if test ".$dialog_version" != .; then
++            dialog_location=`$DIALOG_CONFIG --prefix`
++            dialog_type='installed'
++            dialog_cflags=`$DIALOG_CONFIG --cflags`
++            dialog_ldflags=`$DIALOG_CONFIG --ldflags`
++            dialog_libs=`$DIALOG_CONFIG --libs`
++        fi
++    elif test -d "$with_dialog"; then
++        with_dialog=`echo $with_dialog | sed -e 's;/*$;;'`
++        dialog_found=no
++        #   via config script under a specified directory
++        #   (a standard installation, but not a source tree)
++        if test ".$dialog_found" = .no; then
++            for _dir in $with_dialog/bin $with_dialog; do
++                if test -f "$_dir/dialog-config"; then
++                    test -f "$_dir/dialog-config.in" && continue # dialog-config in source tree!
++                    changequote(, )dnl
++                    dialog_version=`($_dir/dialog-config --version) 2>/dev/null |\
++                                  sed -e 's/^.*\([0-9]\.[0-9]*[.][0-9]*\).*$/\1/'`
++                    changequote([, ])dnl
++                    if test ".$dialog_version" != .; then
++                        dialog_location=`$_dir/dialog-config --prefix`
++                        dialog_type="installed"
++                        dialog_cflags=`$_dir/dialog-config --cflags`
++                        dialog_ldflags=`$_dir/dialog-config --ldflags`
++                        dialog_libs=`$_dir/dialog-config --libs`
++                        dialog_found=yes
++                        break
++                    fi
++                fi
++            done
++        fi
++    fi
++    _AC_DIALOG_VERBOSE([+ Determined Location:])
++    _AC_DIALOG_VERBOSE([    o path: $dialog_location])
++    _AC_DIALOG_VERBOSE([    o type: $dialog_type])
++    if test ".$dialog_version" = .; then
++        if test ".$with_dialog" != .yes; then
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog under $with_dialog.
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past).])
++        else
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog in any system-wide location (see \$PATH).
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past, or set the DIALOG_CONFIG environment variable to the full path
++             to dialog-config).])
++        fi
++    fi
++    dnl ========================================================
++    dnl  Check whether the found version is sufficiently new
++    dnl ========================================================
++    _req_version="ifelse([$1],,1.0.0,$1)"
++    for _var in dialog_version _req_version; do
++        eval "_val=\"\$${_var}\""
++        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\1/'`
++        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\2/'`
++        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\4/'`
++        _hex=`echo dummy | awk '{ printf("%d%02d%02d", major, minor, micro); }' \
++              "major=$_major" "minor=$_minor" "micro=$_micro"`
++        eval "${_var}_hex=\"\$_hex\""
++    done
++    _AC_DIALOG_VERBOSE([+ Determined Versions:])
++    _AC_DIALOG_VERBOSE([    o existing: $dialog_version -> 0x$dialog_version_hex])
++    _AC_DIALOG_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
++    _ok=0
++    if test ".$dialog_version_hex" != .; then
++        if test ".$_req_version_hex" != .; then
++            if test $dialog_version_hex -ge $_req_version_hex; then
++                _ok=1
++            fi
++        fi
++    fi
++    if test ".$_ok" = .0; then
++        _AC_DIALOG_ERROR([dnl
++        Found dialog version $dialog_version, but required at least version $_req_version.
++        Upgrade dialog under $dialog_location to $_req_version or higher first, please.])
++    fi
++    dnl ========================================================
++    dnl  Perform dialog Sanity Compile Check
++    dnl ========================================================
++    if test ".$with_dialog_test" = .yes; then
++        _ac_save_CFLAGS="$CFLAGS"
++        _ac_save_LDFLAGS="$LDFLAGS"
++        _ac_save_LIBS="$LIBS"
++        CFLAGS="$CFLAGS $dialog_cflags"
++        LDFLAGS="$LDFLAGS $dialog_ldflags"
++        LIBS="$LIBS $dialog_libs"
++        _AC_DIALOG_VERBOSE([+ Test Build Environment:])
++        _AC_DIALOG_VERBOSE([    o CFLAGS=\"$CFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LDFLAGS=\"$LDFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LIBS=\"$LIBS\"])
++        cross_compile=no
++        define(_code1, [dnl
++
++#include <stdlib.h>
++#include <stdio.h>
++#include <strings.h>  /* index(3)    */
++
++#include <dialog.h>
++#include <dlg_colors.h>
++#include <dlg_keys.h>
++
++        ])
++        define(_code2, [dnl
++
++int main( void )
++{
++  int status = 0;
++
++  bzero( (void *)&dialog_vars, sizeof(DIALOG_VARS) );
++
++  init_dialog(stdin, stdout);
++
++  dialog_vars.colors = 1;
++  dialog_vars.backtitle = "\\Z7Test\\Zn \\Z1dialog\\Zn \\Z7Library\\Zn";
++  dialog_vars.dlg_clear_screen = 1;
++  dialog_vars.sleep_secs = 1;
++
++
++  dlg_put_backtitle();
++
++  /*************************************************
++    Ruler: 68 characters + 2 spaces left and right:
++
++                           | ----handy-ruler----------------------------------------------------- | */
++  status = dialog_msgbox( " \\Z4Dialog ==>\\Zn\\Z1libdialog\\Zn\\Z4<== [required]\\Zn ",
++                          "\nPackage is installed and corect.\n",
++                          5, 72, 0 );
++
++  if( dialog_vars.sleep_secs )
++    (void)napms(dialog_vars.sleep_secs * 1000);
++
++  if( dialog_vars.dlg_clear_screen )
++  {
++    dlg_clear();
++    (void)refresh();
++  }
++  end_dialog();
++
++  exit( 0 );
++}
++        ])
++        _AC_DIALOG_VERBOSE([+ Performing Sanity Checks:])
++        _AC_DIALOG_VERBOSE([    o pre-processor test])
++        AC_TRY_CPP(_code1, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity pre-processor check. This means
++            the dialog header dialog.h was not found.
++            We used the following build environment:
++            >> CPP="$CPP"
++            See config.log for possibly more details.])
++        fi
++        _AC_DIALOG_VERBOSE([    o link check])
++        AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity linker check. This means
++            the dialog library libdialog.a was not found.
++            We used the following build environment:
++            >> CC="$CC"
++            >> CFLAGS="$CFLAGS"
++            >> LDFLAGS="$LDFLAGS"
++            >> LIBS="$LIBS"
++            See config.log for possibly more details.])
++        fi
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" != .yes; then
++            CFLAGS="$_ac_save_CFLAGS"
++            LDFLAGS="$_ac_save_LDFLAGS"
++            LIBS="$_ac_save_LIBS"
++        fi
++    else
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" = .yes; then
++            if test ".$dialog_subdir" = .yes; then
++                CFLAGS="$CFLAGS $dialog_cflags"
++                LDFLAGS="$LDFLAGS $dialog_ldflags"
++                LIBS="$LIBS $dialog_libs"
++            fi
++        fi
++    fi
++    DIALOG_CFLAGS="$dialog_cflags"
++    DIALOG_LDFLAGS="$dialog_ldflags"
++    DIALOG_LIBS="$dialog_libs"
++    AC_SUBST(DIALOG_CFLAGS)
++    AC_SUBST(DIALOG_LDFLAGS)
++    AC_SUBST(DIALOG_LIBS)
++
++    AC_SUBST(HAVE_DIALOG, [1])
++
++    AC_CHECK_HEADERS(dialog.h dlg_colors.h dlg_keys.h)
++
++    _AC_DIALOG_VERBOSE([+ Final Results:])
++    _AC_DIALOG_VERBOSE([    o DIALOG_CFLAGS=\"$DIALOG_CFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LDFLAGS=\"$DIALOG_LDFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LIBS=\"$DIALOG_LIBS\"])
++fi
++if test ".$with_dialog" != .no; then
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([version $dialog_version, $dialog_type under $dialog_location])
++    ifelse([$5], , :, [$5])
++else
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([no])
++    ifelse([$6], , :, [$6])
++fi
++])
++
+diff --unified -Nr dialog-1.3-20190808-orig/fselect.c dialog-1.3-20190808/fselect.c
+--- dialog-1.3-20190808-orig/fselect.c	2019-08-09 00:28:56.000000000 +0300
++++ dialog-1.3-20190808/fselect.c	2019-08-15 19:43:02.164788537 +0300
+@@ -639,7 +639,7 @@
+     dlg_print_size(height, width);
+     dlg_ctl_size(height, width);
+ 
+-    dialog = dlg_new_window(height, width,
++    dialog = dlg_new_window(height + 1, width,
+ 			    dlg_box_y_ordinate(height),
+ 			    dlg_box_x_ordinate(width));
+     dlg_register_window(dialog, "fselect", binding);
+@@ -647,7 +647,7 @@
+ 
+     dlg_mouse_setbase(0, 0);
+ 
+-    dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
++    dlg_draw_box2(dialog, 0, 0, height + 1, width, dialog_attr, border_attr, border2_attr);
+     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
+     dlg_draw_title(dialog, title);
+ 
+@@ -656,7 +656,7 @@
+     /* Draw the input field box */
+     tbox_height = 1;
+     tbox_width = width - (4 * MARGIN + 2);
+-    tbox_y = height - (BTN_HIGH * 2) + MARGIN;
++    tbox_y = height - (BTN_HIGH * 2) + MARGIN + 1;
+     tbox_x = (width - tbox_width) / 2;
+ 
+     w_text = derwin(dialog, tbox_height, tbox_width, tbox_y, tbox_x);
+@@ -683,7 +683,7 @@
+     else
+ 	dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2;
+     dbox_height = height - MIN_HIGH;
+-    dbox_y = (2 * MARGIN + 1);
++    dbox_y = (2 * MARGIN + 2);
+     dbox_x = tbox_x;
+ 
+     w_work = derwin(dialog, dbox_height, dbox_width, dbox_y, dbox_x);
+@@ -743,7 +743,7 @@
+ 	if (show_buttons) {
+ 	    show_buttons = FALSE;
+ 	    button = (state < 0) ? 0 : state;
+-	    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
++	    dlg_draw_buttons(dialog, height - 1, 0, buttons, button, FALSE, width);
+ 	}
+ 
+ 	if (first_trace) {
+diff --unified -Nr dialog-1.3-20190808-orig/menubox.c dialog-1.3-20190808/menubox.c
+--- dialog-1.3-20190808-orig/menubox.c	2019-08-09 00:00:23.000000000 +0300
++++ dialog-1.3-20190808/menubox.c	2019-08-15 19:43:02.164788537 +0300
+@@ -48,7 +48,7 @@
+     int item_no;
+ } ALL_DATA;
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ #define INPUT_ROWS     3	/* rows per inputmenu entry */
+ 
diff --git a/doc/dialog/dialog-1.3-20201126.patch b/doc/dialog/dialog-1.3-20201126.patch
new file mode 100644
index 0000000..6832773
--- /dev/null
+++ b/doc/dialog/dialog-1.3-20201126.patch
@@ -0,0 +1,462 @@
+diff --unified -Nr dialog-1.3-20201126-orig/checklist.c dialog-1.3-20201126/checklist.c
+--- dialog-1.3-20201126-orig/checklist.c	2020-11-23 03:37:47.000000000 +0300
++++ dialog-1.3-20201126/checklist.c	2020-12-18 03:18:05.742635782 +0300
+@@ -29,7 +29,7 @@
+ #include <dialog.h>
+ #include <dlg_keys.h>
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ typedef struct {
+     /* the outer-window */
+diff --unified -Nr dialog-1.3-20201126-orig/dialog-config.in dialog-1.3-20201126/dialog-config.in
+--- dialog-1.3-20201126-orig/dialog-config.in	2019-09-26 03:50:46.000000000 +0300
++++ dialog-1.3-20201126/dialog-config.in	2020-12-18 03:18:05.742635782 +0300
+@@ -79,7 +79,7 @@
+ 		[ -n "$LFLAGS" ] && LDFLAGS=" $LFDLAGS"
+ 		LDFLAGS="-L${libdir}$LDFLAGS"
+ 	fi
+-	[ -z "$LDFLAGS" ] && LDFLAGS="-L${exec_prefix}/lib"
++	[ -z "$LDFLAGS" ] && LDFLAGS="-L${libdir}"
+ 
+ 	# Ignore -L options which do not correspond to an actual directory,
+ 	# or which are standard library directories (i.e., the linker is
+@@ -133,10 +133,7 @@
+ 		;;
+ 	# compile/link
+ 	--cflags|--cflags-only-I)
+-		INCS=
+-		if test "$includedir" != /usr/include ; then
+-			INCS="-I$includedir"
+-		fi
++		INCS="-I$includedir"
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+ 			$INCS
+ ENDECHO
+@@ -145,6 +142,18 @@
+ 		# no -D/-U options should be needed
+ 		echo
+ 		;;
++	--ldflags)
++		OPTS=
++		for opt in $LDFLAGS $LIBS
++		do
++			case "x$opt" in
++			x-[^l]*)
++				OPTS="$OPTS $opt"
++				;;
++			esac
++		done
++		printf "%s\n" "$OPTS"
++		;;
+ 	--libs)
+ 		OPTS=
+ 		for opt in $lib_flags
+@@ -227,8 +236,9 @@
+   --exec-prefix=ARG  sets the executable-prefix of ${THIS}
+ 
+   --cflags           echos the C compiler flags needed to compile with ${THIS}
+-  --libs             echos the libraries needed to link with ${THIS}
++  --ldflags          echos the linker flags needed to link with ${THIS}
+ 
++  --libs             echos the libraries needed to link with ${THIS}
+   --libs-only-L      echos -L linker options (search path) for ${THIS}
+   --libs-only-l      echos -l linker options (libraries) for ${THIS}
+   --libs-only-other  echos linker options other than -L/-l
+diff --unified -Nr dialog-1.3-20201126-orig/dialog.m4 dialog-1.3-20201126/dialog.m4
+--- dialog-1.3-20201126-orig/dialog.m4	1970-01-01 03:00:00.000000000 +0300
++++ dialog-1.3-20201126/dialog.m4	2020-12-18 03:18:05.742635782 +0300
+@@ -0,0 +1,332 @@
++dnl #
++dnl # /usr/share/aclocal/dialog.m4
++dnl #
++dnl # Configure paths for dialog
++dnl # Andrew V.Kosteltsev
++
++dnl ============================================================
++dnl
++dnl  Synopsis:
++dnl     AC_CHECK_DIALOG([MIN-VERSION [,                  # minimum dialog version, e.g. 1.3-20190211
++dnl                           DEFAULT-WITH-DIALOG [,     # default value for --with-dialog option
++dnl                           DEFAULT-WITH-DIALOG-TEST [,# default value for --with-dialog-test option
++dnl                           EXTEND-VARS [,                  # whether CFLAGS/LDFLAGS/etc are extended
++dnl                           ACTION-IF-FOUND [,              # action to perform if dialog was found
++dnl                           ACTION-IF-NOT-FOUND             # action to perform if dialog was not found
++dnl                          ]]]]]])
++dnl  Examples:
++dnl     AC_CHECK_DIALOG(1.3-20201126)
++dnl     AC_CHECK_DIALOG(1.3-20201126,,,no,CFLAGS="$CFLAGS -DHAVE_DIALOG $DIALOG_CFLAGS")
++dnl     AC_CHECK_DIALOG(1.3-20201126,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_DIALOG")
++dnl
++dnl
++dnl  If you have to change prefix returned by dialog-config script or change
++dnl  location of dialog-config, you may set environment variable DIALOG_CONFIG,
++dnl  for example:
++dnl
++dnl  # export DIALOG_CONFIG="dialog-config --prefix=/usr/local"
++dnl  # export DIALOG_CONFIG="/usr/bin/dialog-config --prefix=/usr/local"
++dnl
++dnl ============================================================
++dnl
++dnl ============================================================
++dnl  auxilliary macros
++dnl ============================================================
++AC_DEFUN([_AC_DIALOG_ERROR], [dnl
++AC_MSG_RESULT([*FAILED*])
++cat <<EOT | sed -e 's/^[[ 	]]*/ | /' -e 's/>>/  /' 1>&2
++$1
++EOT
++exit 1
++])
++
++AC_DEFUN([_AC_DIALOG_VERBOSE], [dnl
++if test ".$verbose" = .yes; then
++    AC_MSG_RESULT([  $1])
++fi
++])
++
++dnl ============================================================
++dnl  the user macro
++dnl ============================================================
++AC_DEFUN([AC_CHECK_DIALOG], [dnl
++dnl
++dnl ============================================================
++dnl  prerequisites
++dnl ============================================================
++AC_REQUIRE([AC_PROG_CC])dnl
++AC_REQUIRE([AC_PROG_CPP])dnl
++dnl
++dnl ============================================================
++dnl  set DIALOG_CONFIG variable
++dnl ============================================================
++if test -z "$DIALOG_CONFIG"; then
++  DIALOG_CONFIG='dialog-config'
++fi
++dnl
++DIALOG_CFLAGS=''
++DIALOG_LDFLAGS=''
++DIALOG_LIBS=''
++AC_SUBST(DIALOG_CFLAGS)
++AC_SUBST(DIALOG_LDFLAGS)
++AC_SUBST(DIALOG_LIBS)
++dnl
++dnl ============================================================
++dnl  command line options
++dnl ============================================================
++_AC_DIALOG_VERBOSE([])
++AC_ARG_WITH(dialog,dnl
++[  --with-dialog[=ARG]       Build with dialog Library  (default=]ifelse([$2],,yes,$2)[)],dnl
++,dnl
++with_dialog="ifelse([$2],,yes,$2)"
++)dnl
++AC_ARG_WITH(dialog-test,dnl
++[  --with-dialog-test      Perform dialog Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
++,dnl
++with_dialog_test="ifelse([$3],,yes,$3)"
++)dnl
++_AC_DIALOG_VERBOSE([+ Command Line Options:])
++_AC_DIALOG_VERBOSE([    o --with-dialog=$with_dialog])
++_AC_DIALOG_VERBOSE([    o --with-dialog-test=$with_dialog_test])
++dnl
++dnl ============================================================
++dnl  configuration
++dnl ============================================================
++if test ".$with_dialog" != .no; then
++    dialog_subdir=no
++    dialog_subdir_opts=''
++    case "$with_dialog" in
++        subdir:* )
++            dialog_subdir=yes
++            changequote(, )dnl
++            dialog_subdir_opts=`echo $with_dialog | sed -e 's/^subdir:[^ 	]*[ 	]*//'`
++            with_dialog=`echo $with_dialog | sed -e 's/^subdir:\([^ 	]*\).*$/\1/'`
++            changequote([, ])dnl
++            ;;
++    esac
++    dialog_version=""
++    dialog_location=""
++    dialog_type=""
++    dialog_cflags=""
++    dialog_ldflags=""
++    dialog_libs=""
++    if test ".$with_dialog" = .yes; then
++        #   via config script in $PATH
++        changequote(, )dnl
++        dialog_version=`($DIALOG_CONFIG --version) 2>/dev/null |\
++                      sed -e 's/^.*\([0-9]\.[0-9]*[-][0-9]*\).*$/\1/'`
++        changequote([, ])dnl
++        if test ".$dialog_version" != .; then
++            dialog_location=`$DIALOG_CONFIG --prefix`
++            dialog_type='installed'
++            dialog_cflags=`$DIALOG_CONFIG --cflags`
++            dialog_ldflags=`$DIALOG_CONFIG --ldflags`
++            dialog_libs=`$DIALOG_CONFIG --libs`
++        fi
++    elif test -d "$with_dialog"; then
++        with_dialog=`echo $with_dialog | sed -e 's;/*$;;'`
++        dialog_found=no
++        #   via config script under a specified directory
++        #   (a standard installation, but not a source tree)
++        if test ".$dialog_found" = .no; then
++            for _dir in $with_dialog/bin $with_dialog; do
++                if test -f "$_dir/dialog-config"; then
++                    test -f "$_dir/dialog-config.in" && continue # dialog-config in source tree!
++                    changequote(, )dnl
++                    dialog_version=`($_dir/dialog-config --version) 2>/dev/null |\
++                                  sed -e 's/^.*\([0-9]\.[0-9]*[.][0-9]*\).*$/\1/'`
++                    changequote([, ])dnl
++                    if test ".$dialog_version" != .; then
++                        dialog_location=`$_dir/dialog-config --prefix`
++                        dialog_type="installed"
++                        dialog_cflags=`$_dir/dialog-config --cflags`
++                        dialog_ldflags=`$_dir/dialog-config --ldflags`
++                        dialog_libs=`$_dir/dialog-config --libs`
++                        dialog_found=yes
++                        break
++                    fi
++                fi
++            done
++        fi
++    fi
++    _AC_DIALOG_VERBOSE([+ Determined Location:])
++    _AC_DIALOG_VERBOSE([    o path: $dialog_location])
++    _AC_DIALOG_VERBOSE([    o type: $dialog_type])
++    if test ".$dialog_version" = .; then
++        if test ".$with_dialog" != .yes; then
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog under $with_dialog.
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past).])
++        else
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog in any system-wide location (see \$PATH).
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past, or set the DIALOG_CONFIG environment variable to the full path
++             to dialog-config).])
++        fi
++    fi
++    dnl ========================================================
++    dnl  Check whether the found version is sufficiently new
++    dnl ========================================================
++    _req_version="ifelse([$1],,1.0.0,$1)"
++    for _var in dialog_version _req_version; do
++        eval "_val=\"\$${_var}\""
++        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\1/'`
++        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\2/'`
++        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\4/'`
++        _hex=`echo dummy | awk '{ printf("%d%02d%02d", major, minor, micro); }' \
++              "major=$_major" "minor=$_minor" "micro=$_micro"`
++        eval "${_var}_hex=\"\$_hex\""
++    done
++    _AC_DIALOG_VERBOSE([+ Determined Versions:])
++    _AC_DIALOG_VERBOSE([    o existing: $dialog_version -> 0x$dialog_version_hex])
++    _AC_DIALOG_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
++    _ok=0
++    if test ".$dialog_version_hex" != .; then
++        if test ".$_req_version_hex" != .; then
++            if test $dialog_version_hex -ge $_req_version_hex; then
++                _ok=1
++            fi
++        fi
++    fi
++    if test ".$_ok" = .0; then
++        _AC_DIALOG_ERROR([dnl
++        Found dialog version $dialog_version, but required at least version $_req_version.
++        Upgrade dialog under $dialog_location to $_req_version or higher first, please.])
++    fi
++    dnl ========================================================
++    dnl  Perform dialog Sanity Compile Check
++    dnl ========================================================
++    if test ".$with_dialog_test" = .yes; then
++        _ac_save_CFLAGS="$CFLAGS"
++        _ac_save_LDFLAGS="$LDFLAGS"
++        _ac_save_LIBS="$LIBS"
++        CFLAGS="$CFLAGS $dialog_cflags"
++        LDFLAGS="$LDFLAGS $dialog_ldflags"
++        LIBS="$LIBS $dialog_libs"
++        _AC_DIALOG_VERBOSE([+ Test Build Environment:])
++        _AC_DIALOG_VERBOSE([    o CFLAGS=\"$CFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LDFLAGS=\"$LDFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LIBS=\"$LIBS\"])
++        cross_compile=no
++        define(_code1, [dnl
++
++#include <stdlib.h>
++#include <stdio.h>
++#include <strings.h>  /* index(3)    */
++
++#include <dialog.h>
++#include <dlg_colors.h>
++#include <dlg_keys.h>
++
++        ])
++        define(_code2, [dnl
++
++int main( void )
++{
++  int status = 0;
++
++  bzero( (void *)&dialog_vars, sizeof(DIALOG_VARS) );
++
++  init_dialog(stdin, stdout);
++
++  dialog_vars.colors = 1;
++  dialog_vars.backtitle = "\\Z7Test\\Zn \\Z1dialog\\Zn \\Z7Library\\Zn";
++  dialog_vars.dlg_clear_screen = 1;
++  dialog_vars.sleep_secs = 1;
++
++
++  dlg_put_backtitle();
++
++  /*************************************************
++    Ruler: 68 characters + 2 spaces left and right:
++
++                           | ----handy-ruler----------------------------------------------------- | */
++  status = dialog_msgbox( " \\Z4Dialog ==>\\Zn\\Z1libdialog\\Zn\\Z4<== [required]\\Zn ",
++                          "\nPackage is installed and corect.\n",
++                          5, 72, 0 );
++
++  if( dialog_vars.sleep_secs )
++    (void)napms(dialog_vars.sleep_secs * 1000);
++
++  if( dialog_vars.dlg_clear_screen )
++  {
++    dlg_clear();
++    (void)refresh();
++  }
++  end_dialog();
++
++  exit( 0 );
++}
++        ])
++        _AC_DIALOG_VERBOSE([+ Performing Sanity Checks:])
++        _AC_DIALOG_VERBOSE([    o pre-processor test])
++        AC_TRY_CPP(_code1, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity pre-processor check. This means
++            the dialog header dialog.h was not found.
++            We used the following build environment:
++            >> CPP="$CPP"
++            See config.log for possibly more details.])
++        fi
++        _AC_DIALOG_VERBOSE([    o link check])
++        AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity linker check. This means
++            the dialog library libdialog.a was not found.
++            We used the following build environment:
++            >> CC="$CC"
++            >> CFLAGS="$CFLAGS"
++            >> LDFLAGS="$LDFLAGS"
++            >> LIBS="$LIBS"
++            See config.log for possibly more details.])
++        fi
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" != .yes; then
++            CFLAGS="$_ac_save_CFLAGS"
++            LDFLAGS="$_ac_save_LDFLAGS"
++            LIBS="$_ac_save_LIBS"
++        fi
++    else
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" = .yes; then
++            if test ".$dialog_subdir" = .yes; then
++                CFLAGS="$CFLAGS $dialog_cflags"
++                LDFLAGS="$LDFLAGS $dialog_ldflags"
++                LIBS="$LIBS $dialog_libs"
++            fi
++        fi
++    fi
++    DIALOG_CFLAGS="$dialog_cflags"
++    DIALOG_LDFLAGS="$dialog_ldflags"
++    DIALOG_LIBS="$dialog_libs"
++    AC_SUBST(DIALOG_CFLAGS)
++    AC_SUBST(DIALOG_LDFLAGS)
++    AC_SUBST(DIALOG_LIBS)
++
++    AC_SUBST(HAVE_DIALOG, [1])
++
++    AC_CHECK_HEADERS(dialog.h dlg_colors.h dlg_keys.h)
++
++    _AC_DIALOG_VERBOSE([+ Final Results:])
++    _AC_DIALOG_VERBOSE([    o DIALOG_CFLAGS=\"$DIALOG_CFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LDFLAGS=\"$DIALOG_LDFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LIBS=\"$DIALOG_LIBS\"])
++fi
++if test ".$with_dialog" != .no; then
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([version $dialog_version, $dialog_type under $dialog_location])
++    ifelse([$5], , :, [$5])
++else
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([no])
++    ifelse([$6], , :, [$6])
++fi
++])
+diff --unified -Nr dialog-1.3-20201126-orig/fselect.c dialog-1.3-20201126/fselect.c
+--- dialog-1.3-20201126-orig/fselect.c	2020-11-23 12:03:54.000000000 +0300
++++ dialog-1.3-20201126/fselect.c	2020-12-18 03:18:05.742635782 +0300
+@@ -649,7 +649,7 @@
+     dlg_print_size(height, width);
+     dlg_ctl_size(height, width);
+ 
+-    dialog = dlg_new_window(height, width,
++    dialog = dlg_new_window(height + 1, width,
+ 			    dlg_box_y_ordinate(height),
+ 			    dlg_box_x_ordinate(width));
+     dlg_register_window(dialog, "fselect", binding);
+@@ -657,7 +657,7 @@
+ 
+     dlg_mouse_setbase(0, 0);
+ 
+-    dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
++    dlg_draw_box2(dialog, 0, 0, height + 1, width, dialog_attr, border_attr, border2_attr);
+     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
+     dlg_draw_title(dialog, title);
+ 
+@@ -666,7 +666,7 @@
+     /* Draw the input field box */
+     tbox_height = 1;
+     tbox_width = width - (4 * MARGIN + 2);
+-    tbox_y = height - (BTN_HIGH * 2) + MARGIN;
++    tbox_y = height - (BTN_HIGH * 2) + MARGIN + 1;
+     tbox_x = (width - tbox_width) / 2;
+ 
+     w_text = dlg_der_window(dialog, tbox_height, tbox_width, tbox_y, tbox_x);
+@@ -692,7 +692,7 @@
+     else
+ 	dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2;
+     dbox_height = height - MIN_HIGH;
+-    dbox_y = (2 * MARGIN + 1);
++    dbox_y = (2 * MARGIN + 2);
+     dbox_x = tbox_x;
+ 
+     w_work = dlg_der_window(dialog, dbox_height, dbox_width, dbox_y, dbox_x);
+@@ -750,7 +750,7 @@
+ 	if (show_buttons) {
+ 	    show_buttons = FALSE;
+ 	    button = (state < 0) ? 0 : state;
+-	    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
++	    dlg_draw_buttons(dialog, height - 1, 0, buttons, button, FALSE, width);
+ 	}
+ 
+ 	if (first_trace) {
+diff --unified -Nr dialog-1.3-20201126-orig/menubox.c dialog-1.3-20201126/menubox.c
+--- dialog-1.3-20201126-orig/menubox.c	2020-11-24 00:03:11.000000000 +0300
++++ dialog-1.3-20201126/menubox.c	2020-12-18 03:18:05.742635782 +0300
+@@ -48,7 +48,7 @@
+     int item_no;
+ } ALL_DATA;
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ #define INPUT_ROWS     3	/* rows per inputmenu entry */
+ 
diff --git a/doc/dialog/dialog-1.3-20210117.patch b/doc/dialog/dialog-1.3-20210117.patch
new file mode 100644
index 0000000..68b1eba
--- /dev/null
+++ b/doc/dialog/dialog-1.3-20210117.patch
@@ -0,0 +1,462 @@
+diff --unified -Nr dialog-1.3-20210117-orig/checklist.c dialog-1.3-20210117/checklist.c
+--- dialog-1.3-20210117-orig/checklist.c	2020-11-23 03:37:47.000000000 +0300
++++ dialog-1.3-20210117/checklist.c	2021-02-14 20:14:51.095326506 +0300
+@@ -29,7 +29,7 @@
+ #include <dialog.h>
+ #include <dlg_keys.h>
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ typedef struct {
+     /* the outer-window */
+diff --unified -Nr dialog-1.3-20210117-orig/dialog-config.in dialog-1.3-20210117/dialog-config.in
+--- dialog-1.3-20210117-orig/dialog-config.in	2019-09-26 03:50:46.000000000 +0300
++++ dialog-1.3-20210117/dialog-config.in	2021-02-14 20:14:51.095326506 +0300
+@@ -79,7 +79,7 @@
+ 		[ -n "$LFLAGS" ] && LDFLAGS=" $LFDLAGS"
+ 		LDFLAGS="-L${libdir}$LDFLAGS"
+ 	fi
+-	[ -z "$LDFLAGS" ] && LDFLAGS="-L${exec_prefix}/lib"
++	[ -z "$LDFLAGS" ] && LDFLAGS="-L${libdir}"
+ 
+ 	# Ignore -L options which do not correspond to an actual directory,
+ 	# or which are standard library directories (i.e., the linker is
+@@ -133,10 +133,7 @@
+ 		;;
+ 	# compile/link
+ 	--cflags|--cflags-only-I)
+-		INCS=
+-		if test "$includedir" != /usr/include ; then
+-			INCS="-I$includedir"
+-		fi
++		INCS="-I$includedir"
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+ 			$INCS
+ ENDECHO
+@@ -145,6 +142,18 @@
+ 		# no -D/-U options should be needed
+ 		echo
+ 		;;
++	--ldflags)
++		OPTS=
++		for opt in $LDFLAGS $LIBS
++		do
++			case "x$opt" in
++			x-[^l]*)
++				OPTS="$OPTS $opt"
++				;;
++			esac
++		done
++		printf "%s\n" "$OPTS"
++		;;
+ 	--libs)
+ 		OPTS=
+ 		for opt in $lib_flags
+@@ -227,8 +236,9 @@
+   --exec-prefix=ARG  sets the executable-prefix of ${THIS}
+ 
+   --cflags           echos the C compiler flags needed to compile with ${THIS}
+-  --libs             echos the libraries needed to link with ${THIS}
++  --ldflags          echos the linker flags needed to link with ${THIS}
+ 
++  --libs             echos the libraries needed to link with ${THIS}
+   --libs-only-L      echos -L linker options (search path) for ${THIS}
+   --libs-only-l      echos -l linker options (libraries) for ${THIS}
+   --libs-only-other  echos linker options other than -L/-l
+diff --unified -Nr dialog-1.3-20210117-orig/dialog.m4 dialog-1.3-20210117/dialog.m4
+--- dialog-1.3-20210117-orig/dialog.m4	1970-01-01 03:00:00.000000000 +0300
++++ dialog-1.3-20210117/dialog.m4	2021-02-14 20:14:51.095326506 +0300
+@@ -0,0 +1,332 @@
++dnl #
++dnl # /usr/share/aclocal/dialog.m4
++dnl #
++dnl # Configure paths for dialog
++dnl # Andrew V.Kosteltsev
++
++dnl ============================================================
++dnl
++dnl  Synopsis:
++dnl     AC_CHECK_DIALOG([MIN-VERSION [,                  # minimum dialog version, e.g. 1.3-20190211
++dnl                           DEFAULT-WITH-DIALOG [,     # default value for --with-dialog option
++dnl                           DEFAULT-WITH-DIALOG-TEST [,# default value for --with-dialog-test option
++dnl                           EXTEND-VARS [,                  # whether CFLAGS/LDFLAGS/etc are extended
++dnl                           ACTION-IF-FOUND [,              # action to perform if dialog was found
++dnl                           ACTION-IF-NOT-FOUND             # action to perform if dialog was not found
++dnl                          ]]]]]])
++dnl  Examples:
++dnl     AC_CHECK_DIALOG(1.3-20210117)
++dnl     AC_CHECK_DIALOG(1.3-20210117,,,no,CFLAGS="$CFLAGS -DHAVE_DIALOG $DIALOG_CFLAGS")
++dnl     AC_CHECK_DIALOG(1.3-20210117,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_DIALOG")
++dnl
++dnl
++dnl  If you have to change prefix returned by dialog-config script or change
++dnl  location of dialog-config, you may set environment variable DIALOG_CONFIG,
++dnl  for example:
++dnl
++dnl  # export DIALOG_CONFIG="dialog-config --prefix=/usr/local"
++dnl  # export DIALOG_CONFIG="/usr/bin/dialog-config --prefix=/usr/local"
++dnl
++dnl ============================================================
++dnl
++dnl ============================================================
++dnl  auxilliary macros
++dnl ============================================================
++AC_DEFUN([_AC_DIALOG_ERROR], [dnl
++AC_MSG_RESULT([*FAILED*])
++cat <<EOT | sed -e 's/^[[ 	]]*/ | /' -e 's/>>/  /' 1>&2
++$1
++EOT
++exit 1
++])
++
++AC_DEFUN([_AC_DIALOG_VERBOSE], [dnl
++if test ".$verbose" = .yes; then
++    AC_MSG_RESULT([  $1])
++fi
++])
++
++dnl ============================================================
++dnl  the user macro
++dnl ============================================================
++AC_DEFUN([AC_CHECK_DIALOG], [dnl
++dnl
++dnl ============================================================
++dnl  prerequisites
++dnl ============================================================
++AC_REQUIRE([AC_PROG_CC])dnl
++AC_REQUIRE([AC_PROG_CPP])dnl
++dnl
++dnl ============================================================
++dnl  set DIALOG_CONFIG variable
++dnl ============================================================
++if test -z "$DIALOG_CONFIG"; then
++  DIALOG_CONFIG='dialog-config'
++fi
++dnl
++DIALOG_CFLAGS=''
++DIALOG_LDFLAGS=''
++DIALOG_LIBS=''
++AC_SUBST(DIALOG_CFLAGS)
++AC_SUBST(DIALOG_LDFLAGS)
++AC_SUBST(DIALOG_LIBS)
++dnl
++dnl ============================================================
++dnl  command line options
++dnl ============================================================
++_AC_DIALOG_VERBOSE([])
++AC_ARG_WITH(dialog,dnl
++[  --with-dialog[=ARG]       Build with dialog Library  (default=]ifelse([$2],,yes,$2)[)],dnl
++,dnl
++with_dialog="ifelse([$2],,yes,$2)"
++)dnl
++AC_ARG_WITH(dialog-test,dnl
++[  --with-dialog-test      Perform dialog Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
++,dnl
++with_dialog_test="ifelse([$3],,yes,$3)"
++)dnl
++_AC_DIALOG_VERBOSE([+ Command Line Options:])
++_AC_DIALOG_VERBOSE([    o --with-dialog=$with_dialog])
++_AC_DIALOG_VERBOSE([    o --with-dialog-test=$with_dialog_test])
++dnl
++dnl ============================================================
++dnl  configuration
++dnl ============================================================
++if test ".$with_dialog" != .no; then
++    dialog_subdir=no
++    dialog_subdir_opts=''
++    case "$with_dialog" in
++        subdir:* )
++            dialog_subdir=yes
++            changequote(, )dnl
++            dialog_subdir_opts=`echo $with_dialog | sed -e 's/^subdir:[^ 	]*[ 	]*//'`
++            with_dialog=`echo $with_dialog | sed -e 's/^subdir:\([^ 	]*\).*$/\1/'`
++            changequote([, ])dnl
++            ;;
++    esac
++    dialog_version=""
++    dialog_location=""
++    dialog_type=""
++    dialog_cflags=""
++    dialog_ldflags=""
++    dialog_libs=""
++    if test ".$with_dialog" = .yes; then
++        #   via config script in $PATH
++        changequote(, )dnl
++        dialog_version=`($DIALOG_CONFIG --version) 2>/dev/null |\
++                      sed -e 's/^.*\([0-9]\.[0-9]*[-][0-9]*\).*$/\1/'`
++        changequote([, ])dnl
++        if test ".$dialog_version" != .; then
++            dialog_location=`$DIALOG_CONFIG --prefix`
++            dialog_type='installed'
++            dialog_cflags=`$DIALOG_CONFIG --cflags`
++            dialog_ldflags=`$DIALOG_CONFIG --ldflags`
++            dialog_libs=`$DIALOG_CONFIG --libs`
++        fi
++    elif test -d "$with_dialog"; then
++        with_dialog=`echo $with_dialog | sed -e 's;/*$;;'`
++        dialog_found=no
++        #   via config script under a specified directory
++        #   (a standard installation, but not a source tree)
++        if test ".$dialog_found" = .no; then
++            for _dir in $with_dialog/bin $with_dialog; do
++                if test -f "$_dir/dialog-config"; then
++                    test -f "$_dir/dialog-config.in" && continue # dialog-config in source tree!
++                    changequote(, )dnl
++                    dialog_version=`($_dir/dialog-config --version) 2>/dev/null |\
++                                  sed -e 's/^.*\([0-9]\.[0-9]*[.][0-9]*\).*$/\1/'`
++                    changequote([, ])dnl
++                    if test ".$dialog_version" != .; then
++                        dialog_location=`$_dir/dialog-config --prefix`
++                        dialog_type="installed"
++                        dialog_cflags=`$_dir/dialog-config --cflags`
++                        dialog_ldflags=`$_dir/dialog-config --ldflags`
++                        dialog_libs=`$_dir/dialog-config --libs`
++                        dialog_found=yes
++                        break
++                    fi
++                fi
++            done
++        fi
++    fi
++    _AC_DIALOG_VERBOSE([+ Determined Location:])
++    _AC_DIALOG_VERBOSE([    o path: $dialog_location])
++    _AC_DIALOG_VERBOSE([    o type: $dialog_type])
++    if test ".$dialog_version" = .; then
++        if test ".$with_dialog" != .yes; then
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog under $with_dialog.
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past).])
++        else
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog in any system-wide location (see \$PATH).
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past, or set the DIALOG_CONFIG environment variable to the full path
++             to dialog-config).])
++        fi
++    fi
++    dnl ========================================================
++    dnl  Check whether the found version is sufficiently new
++    dnl ========================================================
++    _req_version="ifelse([$1],,1.0.0,$1)"
++    for _var in dialog_version _req_version; do
++        eval "_val=\"\$${_var}\""
++        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\1/'`
++        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\2/'`
++        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\4/'`
++        _hex=`echo dummy | awk '{ printf("%d%02d%02d", major, minor, micro); }' \
++              "major=$_major" "minor=$_minor" "micro=$_micro"`
++        eval "${_var}_hex=\"\$_hex\""
++    done
++    _AC_DIALOG_VERBOSE([+ Determined Versions:])
++    _AC_DIALOG_VERBOSE([    o existing: $dialog_version -> 0x$dialog_version_hex])
++    _AC_DIALOG_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
++    _ok=0
++    if test ".$dialog_version_hex" != .; then
++        if test ".$_req_version_hex" != .; then
++            if test $dialog_version_hex -ge $_req_version_hex; then
++                _ok=1
++            fi
++        fi
++    fi
++    if test ".$_ok" = .0; then
++        _AC_DIALOG_ERROR([dnl
++        Found dialog version $dialog_version, but required at least version $_req_version.
++        Upgrade dialog under $dialog_location to $_req_version or higher first, please.])
++    fi
++    dnl ========================================================
++    dnl  Perform dialog Sanity Compile Check
++    dnl ========================================================
++    if test ".$with_dialog_test" = .yes; then
++        _ac_save_CFLAGS="$CFLAGS"
++        _ac_save_LDFLAGS="$LDFLAGS"
++        _ac_save_LIBS="$LIBS"
++        CFLAGS="$CFLAGS $dialog_cflags"
++        LDFLAGS="$LDFLAGS $dialog_ldflags"
++        LIBS="$LIBS $dialog_libs"
++        _AC_DIALOG_VERBOSE([+ Test Build Environment:])
++        _AC_DIALOG_VERBOSE([    o CFLAGS=\"$CFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LDFLAGS=\"$LDFLAGS\"])
++        _AC_DIALOG_VERBOSE([    o LIBS=\"$LIBS\"])
++        cross_compile=no
++        define(_code1, [dnl
++
++#include <stdlib.h>
++#include <stdio.h>
++#include <strings.h>  /* index(3)    */
++
++#include <dialog.h>
++#include <dlg_colors.h>
++#include <dlg_keys.h>
++
++        ])
++        define(_code2, [dnl
++
++int main( void )
++{
++  int status = 0;
++
++  bzero( (void *)&dialog_vars, sizeof(DIALOG_VARS) );
++
++  init_dialog(stdin, stdout);
++
++  dialog_vars.colors = 1;
++  dialog_vars.backtitle = "\\Z7Test\\Zn \\Z1dialog\\Zn \\Z7Library\\Zn";
++  dialog_vars.dlg_clear_screen = 1;
++  dialog_vars.sleep_secs = 1;
++
++
++  dlg_put_backtitle();
++
++  /*************************************************
++    Ruler: 68 characters + 2 spaces left and right:
++
++                           | ----handy-ruler----------------------------------------------------- | */
++  status = dialog_msgbox( " \\Z4Dialog ==>\\Zn\\Z1libdialog\\Zn\\Z4<== [required]\\Zn ",
++                          "\nPackage is installed and corect.\n",
++                          5, 72, 0 );
++
++  if( dialog_vars.sleep_secs )
++    (void)napms(dialog_vars.sleep_secs * 1000);
++
++  if( dialog_vars.dlg_clear_screen )
++  {
++    dlg_clear();
++    (void)refresh();
++  }
++  end_dialog();
++
++  exit( 0 );
++}
++        ])
++        _AC_DIALOG_VERBOSE([+ Performing Sanity Checks:])
++        _AC_DIALOG_VERBOSE([    o pre-processor test])
++        AC_TRY_CPP(_code1, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity pre-processor check. This means
++            the dialog header dialog.h was not found.
++            We used the following build environment:
++            >> CPP="$CPP"
++            See config.log for possibly more details.])
++        fi
++        _AC_DIALOG_VERBOSE([    o link check])
++        AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity linker check. This means
++            the dialog library libdialog.a was not found.
++            We used the following build environment:
++            >> CC="$CC"
++            >> CFLAGS="$CFLAGS"
++            >> LDFLAGS="$LDFLAGS"
++            >> LIBS="$LIBS"
++            See config.log for possibly more details.])
++        fi
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" != .yes; then
++            CFLAGS="$_ac_save_CFLAGS"
++            LDFLAGS="$_ac_save_LDFLAGS"
++            LIBS="$_ac_save_LIBS"
++        fi
++    else
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" = .yes; then
++            if test ".$dialog_subdir" = .yes; then
++                CFLAGS="$CFLAGS $dialog_cflags"
++                LDFLAGS="$LDFLAGS $dialog_ldflags"
++                LIBS="$LIBS $dialog_libs"
++            fi
++        fi
++    fi
++    DIALOG_CFLAGS="$dialog_cflags"
++    DIALOG_LDFLAGS="$dialog_ldflags"
++    DIALOG_LIBS="$dialog_libs"
++    AC_SUBST(DIALOG_CFLAGS)
++    AC_SUBST(DIALOG_LDFLAGS)
++    AC_SUBST(DIALOG_LIBS)
++
++    AC_SUBST(HAVE_DIALOG, [1])
++
++    AC_CHECK_HEADERS(dialog.h dlg_colors.h dlg_keys.h)
++
++    _AC_DIALOG_VERBOSE([+ Final Results:])
++    _AC_DIALOG_VERBOSE([    o DIALOG_CFLAGS=\"$DIALOG_CFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LDFLAGS=\"$DIALOG_LDFLAGS\"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LIBS=\"$DIALOG_LIBS\"])
++fi
++if test ".$with_dialog" != .no; then
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([version $dialog_version, $dialog_type under $dialog_location])
++    ifelse([$5], , :, [$5])
++else
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([no])
++    ifelse([$6], , :, [$6])
++fi
++])
+diff --unified -Nr dialog-1.3-20210117-orig/fselect.c dialog-1.3-20210117/fselect.c
+--- dialog-1.3-20210117-orig/fselect.c	2021-01-16 20:19:15.000000000 +0300
++++ dialog-1.3-20210117/fselect.c	2021-02-14 20:14:51.095326506 +0300
+@@ -650,7 +650,7 @@
+     dlg_print_size(height, width);
+     dlg_ctl_size(height, width);
+ 
+-    dialog = dlg_new_window(height, width,
++    dialog = dlg_new_window(height + 1, width,
+ 			    dlg_box_y_ordinate(height),
+ 			    dlg_box_x_ordinate(width));
+     dlg_register_window(dialog, "fselect", binding);
+@@ -658,7 +658,7 @@
+ 
+     dlg_mouse_setbase(0, 0);
+ 
+-    dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
++    dlg_draw_box2(dialog, 0, 0, height + 1, width, dialog_attr, border_attr, border2_attr);
+     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
+     dlg_draw_title(dialog, title);
+ 
+@@ -667,7 +667,7 @@
+     /* Draw the input field box */
+     tbox_height = 1;
+     tbox_width = width - (4 * MARGIN + 2);
+-    tbox_y = height - (BTN_HIGH * 2) + MARGIN;
++    tbox_y = height - (BTN_HIGH * 2) + MARGIN + 1;
+     tbox_x = (width - tbox_width) / 2;
+ 
+     w_text = dlg_der_window(dialog, tbox_height, tbox_width, tbox_y, tbox_x);
+@@ -693,7 +693,7 @@
+     else
+ 	dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2;
+     dbox_height = height - MIN_HIGH;
+-    dbox_y = (2 * MARGIN + 1);
++    dbox_y = (2 * MARGIN + 2);
+     dbox_x = tbox_x;
+ 
+     w_work = dlg_der_window(dialog, dbox_height, dbox_width, dbox_y, dbox_x);
+@@ -751,7 +751,7 @@
+ 	if (show_buttons) {
+ 	    show_buttons = FALSE;
+ 	    button = (state < 0) ? 0 : state;
+-	    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
++	    dlg_draw_buttons(dialog, height - 1, 0, buttons, button, FALSE, width);
+ 	}
+ 
+ 	if (first_trace) {
+diff --unified -Nr dialog-1.3-20210117-orig/menubox.c dialog-1.3-20210117/menubox.c
+--- dialog-1.3-20210117-orig/menubox.c	2020-11-24 00:03:11.000000000 +0300
++++ dialog-1.3-20210117/menubox.c	2021-02-14 20:14:51.095326506 +0300
+@@ -48,7 +48,7 @@
+     int item_no;
+ } ALL_DATA;
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ #define INPUT_ROWS     3	/* rows per inputmenu entry */
+ 
diff --git a/doc/dialog/dialog-1.3-20210621.patch b/doc/dialog/dialog-1.3-20210621.patch
new file mode 100644
index 0000000..7ffd1ae
--- /dev/null
+++ b/doc/dialog/dialog-1.3-20210621.patch
@@ -0,0 +1,454 @@
+diff --unified -Nr dialog-1.3-20210621-orig/checklist.c dialog-1.3-20210621/checklist.c
+--- dialog-1.3-20210621-orig/checklist.c	2020-11-23 03:37:47.000000000 +0300
++++ dialog-1.3-20210621/checklist.c	2021-10-15 12:06:20.636637175 +0300
+@@ -29,7 +29,7 @@
+ #include <dialog.h>
+ #include <dlg_keys.h>
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ typedef struct {
+     /* the outer-window */
+diff --unified -Nr dialog-1.3-20210621-orig/dialog-config.in dialog-1.3-20210621/dialog-config.in
+--- dialog-1.3-20210621-orig/dialog-config.in	2021-03-06 02:48:36.000000000 +0300
++++ dialog-1.3-20210621/dialog-config.in	2021-10-15 12:06:20.635637175 +0300
+@@ -79,7 +79,7 @@
+ 		[ -n "$LFLAGS" ] && LDFLAGS=" $LFDLAGS"
+ 		LDFLAGS="-L${libdir}$LDFLAGS"
+ 	fi
+-	[ -z "$LDFLAGS" ] && LDFLAGS="-L${exec_prefix}/lib"
++	[ -z "$LDFLAGS" ] && LDFLAGS="-L${libdir}"
+ 
+ 	# Ignore -L options which do not correspond to an actual directory,
+ 	# or which are standard library directories (i.e., the linker is
+@@ -134,10 +134,7 @@
+ 		;;
+ 	# compile/link
+ 	--cflags|--cflags-only-I)
+-		INCS=
+-		if test "$includedir" != /usr/include ; then
+-			INCS="-I$includedir"
+-		fi
++		INCS="-I$includedir"
+ 		sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
+ 			$INCS
+ ENDECHO
+@@ -146,6 +143,18 @@
+ 		# no -D/-U options should be needed
+ 		echo
+ 		;;
++	--ldflags)
++		OPTS=
++		for opt in $LDFLAGS $LIBS
++		do
++			case "x$opt" in
++			x-[^l]*)
++				OPTS="$OPTS $opt"
++				;;
++			esac
++		done
++		printf "%s\n" "$OPTS"
++		;;
+ 	--libs)
+ 		OPTS=
+ 		for opt in $lib_flags
+@@ -228,8 +237,9 @@
+   --exec-prefix=ARG  sets the executable-prefix of ${THIS}
+ 
+   --cflags           echos the C compiler flags needed to compile with ${THIS}
+-  --libs             echos the libraries needed to link with ${THIS}
++  --ldflags          echos the linker flags needed to link with ${THIS}
+ 
++  --libs             echos the libraries needed to link with ${THIS}
+   --libs-only-L      echos -L linker options (search path) for ${THIS}
+   --libs-only-l      echos -l linker options (libraries) for ${THIS}
+   --libs-only-other  echos linker options other than -L/-l
+diff --unified -Nr dialog-1.3-20210621-orig/dialog.m4 dialog-1.3-20210621/dialog.m4
+--- dialog-1.3-20210621-orig/dialog.m4	1970-01-01 03:00:00.000000000 +0300
++++ dialog-1.3-20210621/dialog.m4	2021-10-15 12:06:20.635637175 +0300
+@@ -0,0 +1,324 @@
++dnl #
++dnl # /usr/share/aclocal/dialog.m4
++dnl #
++dnl # Configure paths for dialog
++dnl # Andrew V.Kosteltsev
++
++dnl ============================================================
++dnl
++dnl  Synopsis:
++dnl     AC_CHECK_DIALOG([MIN-VERSION [,                  # minimum dialog version, e.g. 1.3-20190211
++dnl                           DEFAULT-WITH-DIALOG [,     # default value for --with-dialog option
++dnl                           DEFAULT-WITH-DIALOG-TEST [,# default value for --with-dialog-test option
++dnl                           EXTEND-VARS [,                  # whether CFLAGS/LDFLAGS/etc are extended
++dnl                           ACTION-IF-FOUND [,              # action to perform if dialog was found
++dnl                           ACTION-IF-NOT-FOUND             # action to perform if dialog was not found
++dnl                          ]]]]]])
++dnl  Examples:
++dnl     AC_CHECK_DIALOG(1.3-20210621)
++dnl     AC_CHECK_DIALOG(1.3-20210621,,,no,CFLAGS="$CFLAGS -DHAVE_DIALOG $DIALOG_CFLAGS")
++dnl     AC_CHECK_DIALOG(1.3-20210621,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_DIALOG")
++dnl
++dnl
++dnl  If you have to change prefix returned by dialog-config script or change
++dnl  location of dialog-config, you may set environment variable DIALOG_CONFIG,
++dnl  for example:
++dnl
++dnl  # export DIALOG_CONFIG="dialog-config --prefix=/usr/local"
++dnl  # export DIALOG_CONFIG="/usr/bin/dialog-config --prefix=/usr/local"
++dnl
++dnl ============================================================
++dnl
++dnl ============================================================
++dnl  auxilliary macros
++dnl ============================================================
++AC_DEFUN([_AC_DIALOG_ERROR], [dnl
++AC_MSG_RESULT([*FAILED*])
++cat <<EOT | sed -e 's/^[[ 	]]*/ | /' -e 's/>>/  /' 1>&2
++$1
++EOT
++exit 1
++])
++
++AC_DEFUN([_AC_DIALOG_VERBOSE], [dnl
++if test ".$verbose" = .yes; then
++    AC_MSG_RESULT([  $1])
++fi
++])
++
++dnl ============================================================
++dnl  the user macro
++dnl ============================================================
++AC_DEFUN([AC_CHECK_DIALOG], [dnl
++dnl
++dnl ============================================================
++dnl  prerequisites
++dnl ============================================================
++AC_REQUIRE([AC_PROG_CC])dnl
++AC_REQUIRE([AC_PROG_CPP])dnl
++dnl
++dnl ============================================================
++dnl  set DIALOG_CONFIG variable
++dnl ============================================================
++if test -z "$DIALOG_CONFIG"; then
++  DIALOG_CONFIG='dialog-config'
++fi
++dnl
++DIALOG_CFLAGS=''
++DIALOG_LDFLAGS=''
++DIALOG_LIBS=''
++AC_SUBST(DIALOG_CFLAGS)
++AC_SUBST(DIALOG_LDFLAGS)
++AC_SUBST(DIALOG_LIBS)
++dnl
++dnl ============================================================
++dnl  command line options
++dnl ============================================================
++_AC_DIALOG_VERBOSE([])
++AC_ARG_WITH(dialog,dnl
++[  --with-dialog[=ARG]       Build with dialog Library  (default=]ifelse([$2],,yes,$2)[)],dnl
++,dnl
++with_dialog="ifelse([$2],,yes,$2)"
++)dnl
++AC_ARG_WITH(dialog-test,dnl
++[  --with-dialog-test      Perform dialog Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
++,dnl
++with_dialog_test="ifelse([$3],,yes,$3)"
++)dnl
++_AC_DIALOG_VERBOSE([+ Command Line Options:])
++_AC_DIALOG_VERBOSE([    o --with-dialog=$with_dialog])
++_AC_DIALOG_VERBOSE([    o --with-dialog-test=$with_dialog_test])
++dnl
++dnl ============================================================
++dnl  configuration
++dnl ============================================================
++if test ".$with_dialog" != .no; then
++    dialog_subdir=no
++    dialog_subdir_opts=''
++    case "$with_dialog" in
++        subdir:* )
++            dialog_subdir=yes
++            changequote(, )dnl
++            dialog_subdir_opts=`echo $with_dialog | sed -e 's/^subdir:[^ 	]*[ 	]*//'`
++            with_dialog=`echo $with_dialog | sed -e 's/^subdir:\([^ 	]*\).*$/\1/'`
++            changequote([, ])dnl
++            ;;
++    esac
++    dialog_version=""
++    dialog_location=""
++    dialog_type=""
++    dialog_cflags=""
++    dialog_ldflags=""
++    dialog_libs=""
++    if test ".$with_dialog" = .yes; then
++        #   via config script in $PATH
++        changequote(, )dnl
++        dialog_version=`($DIALOG_CONFIG --version) 2>/dev/null |\
++                      sed -e 's/^.*\([0-9]\.[0-9]*[-][0-9]*\).*$/\1/'`
++        changequote([, ])dnl
++        if test ".$dialog_version" != .; then
++            dialog_location=`$DIALOG_CONFIG --prefix`
++            dialog_type='installed'
++            dialog_cflags=`$DIALOG_CONFIG --cflags`
++            dialog_ldflags=`$DIALOG_CONFIG --ldflags`
++            dialog_libs=`$DIALOG_CONFIG --libs`
++        fi
++    elif test -d "$with_dialog"; then
++        with_dialog=`echo $with_dialog | sed -e 's;/*$;;'`
++        dialog_found=no
++        #   via config script under a specified directory
++        #   (a standard installation, but not a source tree)
++        if test ".$dialog_found" = .no; then
++            for _dir in $with_dialog/bin $with_dialog; do
++                if test -f "$_dir/dialog-config"; then
++                    test -f "$_dir/dialog-config.in" && continue # dialog-config in source tree!
++                    changequote(, )dnl
++                    dialog_version=`($_dir/dialog-config --version) 2>/dev/null |\
++                                  sed -e 's/^.*\([0-9]\.[0-9]*[.][0-9]*\).*$/\1/'`
++                    changequote([, ])dnl
++                    if test ".$dialog_version" != .; then
++                        dialog_location=`$_dir/dialog-config --prefix`
++                        dialog_type="installed"
++                        dialog_cflags=`$_dir/dialog-config --cflags`
++                        dialog_ldflags=`$_dir/dialog-config --ldflags`
++                        dialog_libs=`$_dir/dialog-config --libs`
++                        dialog_found=yes
++                        break
++                    fi
++                fi
++            done
++        fi
++    fi
++    _AC_DIALOG_VERBOSE([+ Determined Location:])
++    _AC_DIALOG_VERBOSE([    o path: $dialog_location])
++    _AC_DIALOG_VERBOSE([    o type: $dialog_type])
++    if test ".$dialog_version" = .; then
++        if test ".$with_dialog" != .yes; then
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog under $with_dialog.
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past).])
++        else
++             _AC_DIALOG_ERROR([dnl
++             Unable to locate dialog in any system-wide location (see \$PATH).
++             Please specify the correct path to either a dialog installation tree
++             (use --with-dialog=DIR if you used --prefix=DIR for installing dialog in
++             the past, or set the DIALOG_CONFIG environment variable to the full path
++             to dialog-config).])
++        fi
++    fi
++    dnl ========================================================
++    dnl  Check whether the found version is sufficiently new
++    dnl ========================================================
++    _req_version="ifelse([$1],,1.0.0,$1)"
++    for _var in dialog_version _req_version; do
++        eval "_val=\"\$${_var}\""
++        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\1/'`
++        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\2/'`
++        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[.]]\)\([[0-9]]*\)/\4/'`
++        _hex=`echo dummy | awk '{ printf("%d%02d%02d", major, minor, micro); }' \
++              "major=$_major" "minor=$_minor" "micro=$_micro"`
++        eval "${_var}_hex=\"\$_hex\""
++    done
++    _AC_DIALOG_VERBOSE([+ Determined Versions:])
++    _AC_DIALOG_VERBOSE([    o existing: $dialog_version -> 0x$dialog_version_hex])
++    _AC_DIALOG_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
++    _ok=0
++    if test ".$dialog_version_hex" != .; then
++        if test ".$_req_version_hex" != .; then
++            if test $dialog_version_hex -ge $_req_version_hex; then
++                _ok=1
++            fi
++        fi
++    fi
++    if test ".$_ok" = .0; then
++        _AC_DIALOG_ERROR([dnl
++        Found dialog version $dialog_version, but required at least version $_req_version.
++        Upgrade dialog under $dialog_location to $_req_version or higher first, please.])
++    fi
++    dnl ========================================================
++    dnl  Perform dialog Sanity Compile Check
++    dnl ========================================================
++    if test ".$with_dialog_test" = .yes; then
++        _ac_save_CFLAGS="$CFLAGS"
++        _ac_save_LDFLAGS="$LDFLAGS"
++        _ac_save_LIBS="$LIBS"
++        CFLAGS="$CFLAGS $dialog_cflags"
++        LDFLAGS="$LDFLAGS $dialog_ldflags"
++        LIBS="$LIBS $dialog_libs"
++        _AC_DIALOG_VERBOSE([+ Test Build Environment:])
++        _AC_DIALOG_VERBOSE([    o CFLAGS="$CFLAGS"])
++        _AC_DIALOG_VERBOSE([    o LDFLAGS="$LDFLAGS"])
++        _AC_DIALOG_VERBOSE([    o LIBS="$LIBS"])
++        cross_compile=no
++        define([_code1], [
++#include <stdlib.h>
++#include <stdio.h>
++#include <strings.h>  /* index(3)    */
++
++#include <dialog.h>
++#include <dlg_colors.h>
++#include <dlg_keys.h>
++        ])
++        define([_code2], [
++  int status = 0;
++
++  bzero( (void *)&dialog_vars, sizeof(DIALOG_VARS) );
++
++  init_dialog(stdin, stdout);
++
++  dialog_vars.colors = 1;
++  dialog_vars.backtitle = "Test dialog Library";
++  dialog_vars.dlg_clear_screen = 1;
++  dialog_vars.sleep_secs = 1;
++
++
++  dlg_put_backtitle();
++
++  /*************************************************
++    Ruler: 68 characters + 2 spaces left and right:
++
++                           | ----handy-ruler----------------------------------------------------- | */
++  status = dialog_msgbox( " Dialog ==>libdialog<== [required] ",
++                          "\nPackage is installed and corect.\n",
++                          5, 72, 0 );
++
++  if( dialog_vars.sleep_secs )
++    (void)napms(dialog_vars.sleep_secs * 1000);
++
++  if( dialog_vars.dlg_clear_screen )
++  {
++    dlg_clear();
++    (void)refresh();
++  }
++  end_dialog();
++        ])
++        _AC_DIALOG_VERBOSE([+ Performing Sanity Checks:])
++        _AC_DIALOG_VERBOSE([    o pre-processor test])
++        AC_PREPROC_IFELSE([AC_LANG_PROGRAM([_code1], [_code2])], [_ok=yes], [_ok=no])
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity pre-processor check. This means
++            the dialog header dialog.h was not found.
++            We used the following build environment:
++            >> CPP="$CPP"
++            See config.log for possibly more details.])
++        fi
++        _AC_DIALOG_VERBOSE([    o link check])
++        AC_LINK_IFELSE([AC_LANG_PROGRAM([_code1], [_code2])], [_ok=yes], [_ok=no])
++        if test ".$_ok" != .yes; then
++            _AC_DIALOG_ERROR([dnl
++            Found dialog $dialog_version under $dialog_location, but
++            was unable to perform a sanity linker check. This means
++            the dialog library libdialog.a was not found.
++            We used the following build environment:
++            >> CC="$CC"
++            >> CFLAGS="$CFLAGS"
++            >> LDFLAGS="$LDFLAGS"
++            >> LIBS="$LIBS"
++            See config.log for possibly more details.])
++        fi
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" != .yes; then
++            CFLAGS="$_ac_save_CFLAGS"
++            LDFLAGS="$_ac_save_LDFLAGS"
++            LIBS="$_ac_save_LIBS"
++        fi
++    else
++        _extendvars="ifelse([$4],,yes,$4)"
++        if test ".$_extendvars" = .yes; then
++            if test ".$dialog_subdir" = .yes; then
++                CFLAGS="$CFLAGS $dialog_cflags"
++                LDFLAGS="$LDFLAGS $dialog_ldflags"
++                LIBS="$LIBS $dialog_libs"
++            fi
++        fi
++    fi
++    DIALOG_CFLAGS="$dialog_cflags"
++    DIALOG_LDFLAGS="$dialog_ldflags"
++    DIALOG_LIBS="$dialog_libs"
++    AC_SUBST(DIALOG_CFLAGS)
++    AC_SUBST(DIALOG_LDFLAGS)
++    AC_SUBST(DIALOG_LIBS)
++
++    AC_SUBST(HAVE_DIALOG, [1])
++
++    AC_CHECK_HEADERS(dialog.h dlg_colors.h dlg_keys.h)
++
++    _AC_DIALOG_VERBOSE([+ Final Results:])
++    _AC_DIALOG_VERBOSE([    o DIALOG_CFLAGS="$DIALOG_CFLAGS"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LDFLAGS="$DIALOG_LDFLAGS"])
++    _AC_DIALOG_VERBOSE([    o DIALOG_LIBS="$DIALOG_LIBS"])
++fi
++if test ".$with_dialog" != .no; then
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([version $dialog_version, $dialog_type under $dialog_location])
++    ifelse([$5], , :, [$5])
++else
++    AC_MSG_CHECKING(for libdialog)
++    AC_MSG_RESULT([no])
++    ifelse([$6], , :, [$6])
++fi
++])
+diff --unified -Nr dialog-1.3-20210621-orig/fselect.c dialog-1.3-20210621/fselect.c
+--- dialog-1.3-20210621-orig/fselect.c	2021-06-21 22:50:35.000000000 +0300
++++ dialog-1.3-20210621/fselect.c	2021-10-15 12:06:20.635637175 +0300
+@@ -659,7 +659,7 @@
+     dlg_print_size(height, width);
+     dlg_ctl_size(height, width);
+ 
+-    dialog = dlg_new_window(height, width,
++    dialog = dlg_new_window(height + 1, width,
+ 			    dlg_box_y_ordinate(height),
+ 			    dlg_box_x_ordinate(width));
+     dlg_register_window(dialog, "fselect", binding);
+@@ -667,7 +667,7 @@
+ 
+     dlg_mouse_setbase(0, 0);
+ 
+-    dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
++    dlg_draw_box2(dialog, 0, 0, height + 1, width, dialog_attr, border_attr, border2_attr);
+     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
+     dlg_draw_title(dialog, title);
+ 
+@@ -676,7 +676,7 @@
+     /* Draw the input field box */
+     tbox_height = 1;
+     tbox_width = width - (4 * MARGIN + 2);
+-    tbox_y = height - (BTN_HIGH * 2) + MARGIN;
++    tbox_y = height - (BTN_HIGH * 2) + MARGIN + 1;
+     tbox_x = (width - tbox_width) / 2;
+ 
+     w_text = dlg_der_window(dialog, tbox_height, tbox_width, tbox_y, tbox_x);
+@@ -702,7 +702,7 @@
+     else
+ 	dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2;
+     dbox_height = height - MIN_HIGH;
+-    dbox_y = (2 * MARGIN + 1);
++    dbox_y = (2 * MARGIN + 2);
+     dbox_x = tbox_x;
+ 
+     w_work = dlg_der_window(dialog, dbox_height, dbox_width, dbox_y, dbox_x);
+@@ -760,7 +760,7 @@
+ 	if (show_buttons) {
+ 	    show_buttons = FALSE;
+ 	    button = (state < 0) ? 0 : state;
+-	    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
++	    dlg_draw_buttons(dialog, height - 1, 0, buttons, button, FALSE, width);
+ 	}
+ 
+ 	if (first_trace) {
+diff --unified -Nr dialog-1.3-20210621-orig/menubox.c dialog-1.3-20210621/menubox.c
+--- dialog-1.3-20210621-orig/menubox.c	2020-11-24 00:03:11.000000000 +0300
++++ dialog-1.3-20210621/menubox.c	2021-10-15 12:06:20.636637175 +0300
+@@ -48,7 +48,7 @@
+     int item_no;
+ } ALL_DATA;
+ 
+-#define MIN_HIGH  (1 + (5 * MARGIN))
++#define MIN_HIGH  4
+ 
+ #define INPUT_ROWS     3	/* rows per inputmenu entry */
+