Make TkRemind work on dumb systems that use "poor-man's" bold and italic.

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for remind 06.01.06.
+# Generated by GNU Autoconf 2.72 for remind 06.01.07.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
@@ -601,8 +601,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='remind'
 PACKAGE_TARNAME='remind'
-PACKAGE_VERSION='06.01.06'
+PACKAGE_VERSION='06.01.07'
-PACKAGE_STRING='remind 06.01.06'
+PACKAGE_STRING='remind 06.01.07'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL='https://dianne.skoll.ca/projects/remind/'
 
@@ -1258,7 +1258,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures remind 06.01.06 to adapt to many kinds of systems.
+'configure' configures remind 06.01.07 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1320,7 +1320,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of remind 06.01.06:";;
+     short | recursive ) echo "Configuration of remind 06.01.07:";;
    esac
   cat <<\_ACEOF
 
@@ -1408,7 +1408,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-remind configure 06.01.06
+remind configure 06.01.07
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -1871,7 +1871,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by remind $as_me 06.01.06, which was
+It was created by remind $as_me 06.01.07, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -4895,7 +4895,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by remind $as_me 06.01.06, which was
+This file was extended by remind $as_me 06.01.07, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -4960,7 +4960,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-remind config.status 06.01.06
+remind config.status 06.01.07
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT(remind, 06.01.06, , , https://dianne.skoll.ca/projects/remind/)
+AC_INIT(remind, 06.01.07, , , https://dianne.skoll.ca/projects/remind/)
 AC_CONFIG_SRCDIR([src/queue.c])
 
 cat <<'EOF'

include/holidays/jewish.rem

@@ -1,6 +1,6 @@
 # Save variables and functions that we will mess with
 PUSH-VARS InIsrael IncludeIsraeliHolidays Reform IncludeOmer IncludeOmerCal SunCal ostart yz
-PUSH-FUNCS _chan _h2 _h2I _YZ _PastSat _BackTwoSat
+PUSH-FUNCS _h2 _h2I _YZ _PastSat _BackTwoSat
 
 SET InIsrael value("InIsrael", 0)
 SET IncludeIsraeliHolidays value("IncludeIsraeliHolidays", 1)

man/rem.1.in

@@ -1,5 +1,4 @@
-.TH REM 1 "@RELEASE_DATE@" "User Commands" "VERSION @VERSION@"
+.TH REM 1 "@RELEASE_DATE@" "Remind" "VERSION @VERSION@"
-.UC 4
 .SH NAME
 rem \- Invoke Remind with a default filename
 .SH SYNOPSIS

man/rem2ps.1.in

@@ -1,5 +1,4 @@
-.TH REM2PS 1 "@RELEASE_DATE@" "User Commands" "VERSION @VERSION@"
+.TH REM2PS 1 "@RELEASE_DATE@" "Remind" "VERSION @VERSION@"
-.UC 4
 .SH NAME
 rem2ps \- draw a PostScript calendar from Remind output
 .SH SYNOPSIS

man/remind.1.in

@@ -1,5 +1,4 @@
-.TH REMIND 1 "@RELEASE_DATE@" "User Commands" "VERSION @VERSION@"
+.TH REMIND 1 "@RELEASE_DATE@" "Remind" "VERSION @VERSION@"
-.UC 4
 .SH NAME
 remind \- a sophisticated reminder service
 .SH SYNOPSIS

man/tkremind.1.in

@@ -1,5 +1,4 @@
-.TH TKREMIND 1 "@RELEASE_DATE@" "User Commands" "VERSION @VERSION@"
+.TH TKREMIND 1 "@RELEASE_DATE@" "Remind" "VERSION @VERSION@"
-.UC 4
 .SH NAME
 tkremind \- graphical front-end to Remind calendar program
 .SH SYNOPSIS
@@ -54,9 +53,10 @@ directory before starting \fBTkRemind\fR.
 When you start \fBTkRemind\fR, it displays a calendar for the current
 month, with today's date highlighted.  Reminders are filled into each
 box on the calendar.  If a box contains many reminders, you can scroll
-it up and down by dragging mouse button 2 in the box.  Note that there
+it up and down by dragging mouse button 2 in the box or by using the
-is no specific indication of an over-full box; you'll just have to
+scroll wheel (if your mouse has one.)  Note that there is no specific
-notice that the box appears completely full.
+indication of an over-full box; you'll just have to notice that the
+box appears completely full.
 
 .SH NAVIGATING
 To change to the previous or next month, click the \fB<\-\fR
@@ -76,7 +76,7 @@ To add a reminder, click button 1 in any day number in the calendar.
 The \fBAdd Reminder...\fR dialog will pop up, with values preselected for
 the day you clicked.
 
-The dialog has six basic groups of controls.  The first three lines
+The dialog has seven basic groups of controls.  The first three lines
 select one of three types of reminders.  Choose the type of reminder
 with the radio buttons, and choose the values of the days, months, and
 years by selecting values from pull-down menus.  The pull-down menus

rem2pdf/Makefile.PL.in

@@ -5,7 +5,7 @@ use ExtUtils::MakeMaker;
         sub manifypods {
                 my ($self,%attribs) = @_;
                 my $result = $self->SUPER::manifypods(%attribs);
-                $result =~ s/^(POD2MAN_EXE\s*=\s*)(.+)$/$1$2 --center 'VERSION @VERSION@' --date '@RELEASE_DATE@'/m;
+                $result =~ s/^(POD2MAN_EXE\s*=\s*)(.+)$/$1$2 --center 'VERSION @VERSION@' --date '@RELEASE_DATE@' --release Remind/m;
                 return $result;
         }
 }

rem2pdf/bin/rem2pdf.in

@@ -251,7 +251,8 @@ if ($settings->{eps}) {
 # Don't read from a terminal
 if (-t STDIN) { ## no critic
         print STDERR "I can't read data from a terminal.  Please run like this:\n";
-        print STDERR "  remind -pp [options] filename | $me [options] > out.pdf\n";
+        print STDERR "  remind -pp [options] filename | $me [options] > out.pdf\n\n";
+        print STDERR "For help, run: $me --help\n";
         exit(1);
 }
 

rem2pdf/lib/Remind/PDF.pm

@@ -690,7 +690,7 @@ sub draw_day
                 $cr->restore();
         }
 
-        $so_far += $h + 2 * $settings->{border_size};
+        $so_far += $h + $settings->{border_size};
         my $entry_height = 0;
         my $done = 0;
         foreach my $entry (@{$self->{entries}->[$day]}) {
@@ -819,7 +819,7 @@ sub draw_title
 
 =head2 get_rgb($color)
 
-Parses a 3- or 6-hex-digit color value and returs [red, green, blue].  If
+Parses a 3- or 6-hex-digit color value and returns [red, green, blue].  If
 color could not be parsed, returns undef
 
 =cut

scripts/tkremind.in

@@ -753,6 +753,8 @@ proc CreateCalWindow { dayNames } {
     balloon_add_help .b.queue "See the queue of pending reminders (debugging purposes only)"
     button .b.quit -text {Quit} -command {Quit} -bd 0 -foreground $Option(LabelColor) -background $Option(WinBackground) -highlightthickness 1 -highlightcolor $Option(LineColor) -highlightbackground $Option(WinBackground)
     balloon_add_help .b.quit "Quit TkRemind"
+    button .b.help -text {Help} -command [list ShowManPage tkremind 1 1] -bd 0 -foreground $Option(LabelColor) -background $Option(WinBackground) -highlightthickness 1 -highlightcolor $Option(LineColor) -highlightbackground $Option(WinBackground)
+    balloon_add_help .b.help "Show TkRemind manual"
     label .b.status -text "" -width 25 -relief flat -bd 0 -foreground $Option(LabelColor) -background $Option(WinBackground) -highlightthickness 0
     bind .b.status <ButtonPress-1> [list ShowTodaysReminders 1 ""]
     bind .b.status <ButtonPress-3> [list ShowTodaysReminders 1 ""]
@@ -761,7 +763,7 @@ proc CreateCalWindow { dayNames } {
     balloon_add_help .b.nqueued "See the queue of pending reminders (debugging purposes only)"
     bind .b.nqueued <ButtonPress-1> [list DoQueue]
     bind .b.nqueued <ButtonPress-3> [list DoQueue]
-    pack .b.prev .b.this .b.next .b.goto .b.print .b.options .b.queue .b.quit -side left -fill both -padx 1
+    pack .b.prev .b.this .b.next .b.goto .b.print .b.options .b.queue .b.quit .b.help -side left -fill both -padx 1
     pack .b.status -side left -fill both -expand 1 -padx 1
     pack .b.nqueued -side left -fill both -padx 1
     pack .b -side bottom -fill x -expand 0 -pady 1
@@ -1046,6 +1048,7 @@ proc SaveOptions { w } {
     .b.print configure -foreground $Option(LabelColor) -background $Option(WinBackground)
     .b.queue configure -foreground $Option(LabelColor) -background $Option(WinBackground)
     .b.quit configure -foreground $Option(LabelColor) -background $Option(WinBackground)
+    .b.help configure -foreground $Option(LabelColor) -background $Option(WinBackground)
     .b.options configure -foreground $Option(LabelColor) -background $Option(WinBackground)
     . configure -background $Option(LineColor)
     .h configure -background $Option(LineColor)
@@ -4876,6 +4879,205 @@ proc set_button_to_errors {} {
     .b.queue configure -text {Errors...} -command {ShowErrors} -bg #FF5555 -fg black
 }
 
+proc ShowManPage { cmd jump destroy } {
+    global Option env
+    set w ".man"
+    if { $destroy != 0 } {
+        catch { destroy $w }
+        set l [luminance $Option(WinBackground)]
+        if {$l < 20000} {
+            set link_color "#8888FF"
+        } else {
+            set link_color "#0000DD"
+        }
+
+        toplevel $w -background  $Option(WinBackground)
+        text $w.t -width 84 -height 30 -wrap none -yscrollcommand "$w.sb set" -foreground $Option(TextColor) -background $Option(BackgroundColor) -font CalBoxFont
+        $w.t tag configure bold -font {-weight bold}
+        $w.t tag configure italic -font {-slant italic}
+        $w.t tag configure underline -underline 1
+        catch {
+            $w.t tag configure underline -underlinefg $link_color
+        }
+        scrollbar $w.sb -orient vertical -command "$w.t yview"
+        button $w.ok -text OK -command [list destroy $w] -foreground $Option(TextColor) -background $Option(BackgroundColor) -highlightthickness 1 -highlightcolor $Option(LineColor) -highlightbackground $Option(WinBackground)
+        grid $w.t -row 0 -column 0 -sticky nsew
+        grid $w.sb -row 0 -column 1 -sticky ns
+        grid $w.ok -row 1 -column 0 -stick w
+        grid columnconfigure $w 0 -weight 1
+        grid columnconfigure $w 1 -weight 0
+        grid rowconfigure $w 0 -weight 1
+        grid rowconfigure $w 1 -weight 0
+
+        $w.t tag configure man -foreground $link_color
+        $w.t tag configure url -foreground $link_color
+        # Not supported on old Tk versions
+        catch {
+            $w.t tag configure man -underlinefg $link_color
+            $w.t tag configure url -underlinefg $link_color
+        }
+        $w.t tag bind man <ButtonPress-1> [list NavigateToManPage $w.t]
+        $w.t tag bind man <Enter> [list ManEnter $w.t]
+        $w.t tag bind man <Leave> [list ManLeave $w.t]
+        $w.t tag bind man <Motion> [list ManMove $w.t]
+        $w.t tag bind url <ButtonPress-1> [list ManURL $w.t]
+        $w.t tag bind url <Enter> [list URLEnter $w.t]
+        $w.t tag bind url <Leave> [list URLLeave $w.t]
+        $w.t tag bind url <Motion> [list URLMove $w.t]
+    } else {
+        $w.t configure -state normal
+        $w.t delete 1.0 end
+    }
+    set env(COLUMNS) 80
+    set env(MANWIDTH) 80
+    set env(MAN_KEEP_FORMATTING) 1
+    set taglist {}
+    set seealso 0
+    if {[catch {
+        set fp [open "|man $cmd" "r+"]
+        while {[gets $fp line] >= 0} {
+            # Some systems render bold as "X bs X" and underline as "_ bs X"
+            # Convert them to our bold and italic indicators
+            set line [regsub -all {((_\b.)+)} $line "\033\[3m\\0\033\[23m" ]
+            set line [regsub -all {(_\b)}  $line "" ]
+            set line [regsub -all {((.\b.)+)} $line "\033\[1m\\0\033\[22m" ]
+            set line [regsub -all {(.\b)}  $line "" ]
+            if {$jump != 0} {
+                if {[regexp -- {THE.*CALENDAR.*WINDOW} $line]} {
+                    $w.t yview moveto 1
+                }
+            }
+            if {[regexp -- {SEE.*ALSO} $line]} {
+                set seealso 1
+            } else {
+                if {$seealso != 0} {
+                    set seealso 0
+                    lappend taglist man
+                } else {
+                    set idx [lsearch -exact $taglist "man"]
+                    set taglist [lreplace $taglist $idx $idx]
+                }
+            }
+            set old_taglist $taglist
+
+            $w.t insert end "  ";
+            set indexes [regexp -indices -inline -all -- {\e\[[0-9]+m} $line]
+            if {[llength $indexes] > 0} {
+                set out 0
+                foreach i $indexes {
+                    set first [lindex $i 0]
+                    set last [lindex $i 1]
+                    set esc_seq [string range $line [expr $first+2] [expr $last-1]]
+                    switch -- $esc_seq {
+                        "0" {
+                            set idx [lsearch -exact $taglist "bold"]
+                            set taglist [lreplace $taglist $idx $idx]
+                            set idx [lsearch -exact $taglist "italic"]
+                            set taglist [lreplace $taglist $idx $idx]
+                        }
+                        "1" {
+                            lappend taglist "bold"
+                        }
+                        "3" {
+                            lappend taglist "italic"
+                        }
+                        "22" {
+                            set idx [lsearch -exact $taglist "bold"]
+                            set taglist [lreplace $taglist $idx $idx]
+                        }
+                        "23" {
+                            set idx [lsearch -exact $taglist "italic"]
+                            set taglist [lreplace $taglist $idx $idx]
+                        }
+                    }
+                    if { $first > $out } {
+                        ManAddLine $w.t [string range $line $out [expr $first-1]] $old_taglist
+                    }
+                    set old_taglist $taglist
+                    set out [expr $last+1]
+                }
+                if {$out < [string length $line]} {
+                    ManAddLine $w.t [string range $line $out end] $taglist
+                }
+            } else {
+                ManAddLine $w.t $line $taglist
+            }
+            $w.t insert end "\n";
+        }
+        close $fp
+    } err]} {
+        $w.t insert end "Could not display TkRemind manual page: $err"
+    }
+    $w.t configure -state disabled
+    if { $destroy } {
+        CenterWindow $w .
+        raise $w
+    }
+    wm title $w "$cmd Manual Page"
+    focus $w.t
+}
+
+proc ManAddLine { t text tags } {
+    if {[lsearch -exact $tags man] >= 0} {
+        $t insert end $text $tags
+        return
+    }
+    if {[regexp -nocase -- {(.*)(https?://[-.a-z0-9_/]+)(.*)} $text m first url last]} {
+        set t2 tags
+        lappend t2 url
+        $t insert end $first $tags
+        $t insert end $url $t2
+        $t insert end $last $tags
+        return
+    }
+    $t insert end $text $tags
+}
+
+proc URLEnter { t } {
+    catch {
+        $t configure -cursor arrow
+        set r [$t tag prevrange url current]
+        $t tag add underline [lindex $r 0] [lindex $r 1]
+    }
+}
+proc URLLeave { t } {
+    $t configure -cursor xterm
+    $t tag remove underline 1.0 end
+}
+
+proc URLMove { t } {
+    URLLeave $t
+    URLEnter $t
+}
+
+proc ManURL { t } {
+    catch {
+        set r [$t tag prevrange url current]
+        set url [$t get [lindex $r 0] [lindex $r 1]]
+        exec xdg-open "$url?tkr=1"
+    }
+}
+
+proc ManEnter { t } {
+    $t configure -cursor arrow
+    $t tag add underline [list current wordstart] [list current wordend]
+}
+proc ManLeave { t } {
+    $t configure -cursor xterm
+    $t tag remove underline 1.0 end
+}
+
+proc ManMove { t } {
+    ManLeave $t
+    ManEnter $t
+}
+
+proc NavigateToManPage { t } {
+    set text [$t get [list current wordstart] [list current wordend]]
+    if {[regexp -nocase -- {[a-z0-9_]+} $text man]} {
+        ShowManPage $man 0 0
+    }
+}
 proc ShowErrors {} {
     global RemindErrors Option
     set w ".errors"
@@ -4921,4 +5123,9 @@ proc DoneShowingErrors {} {
     destroy .errors
 }
 
+proc luminance { color } {
+    set rgb [winfo rgb . $color]
+    return 0.299 * [lindex $rgb 0] + 0.587 * [lindex $rgb 1] + 0.114 * [lindex $rgb 2]
+}
+
 main

tests/manpage-personal-dict

@@ -13,6 +13,7 @@
 13ths
 15am
 1GB
+1p
 1pm
 20am
 20pm
@@ -22,6 +23,7 @@
 2s
 30PM
 34am
+3pm
 3string34
 45am
 45pm
@@ -510,6 +512,7 @@ datetime
 datetimes
 day1
 day2
+daymap
 dayname
 daynames
 daynum
@@ -591,6 +594,7 @@ gridline
 gridlines
 groff
 gvim
+hashref
 hasn
 hdate
 hebdate
@@ -736,6 +740,7 @@ num
 ok
 oktober
 ol
+oldstyle
 ons
 ordx
 orthodoxeaster
@@ -785,6 +790,7 @@ rem2ps
 rem2ps2
 remind's
 rescan
+rgb
 rn
 ro
 romanian
@@ -911,6 +917,7 @@ ubitux
 ui
 uid
 unbuffered
+undef
 undefine
 underlinefg
 uniq
@@ -941,6 +948,8 @@ wkstart
 wn
 www
 x00
+x1
+x2
 xAB
 xdg
 xinitrc
@@ -948,6 +957,8 @@ xless
 xmessage
 xsiz
 xsiz1
+y1
+y2
 year1
 year2
 yeardiff

tests/test-rem

@@ -662,6 +662,12 @@ for i in ../man/*.1 ; do
     fi
 done
 
+if test -d ../rem2pdf/blib ; then
+    PERLMANS=`find ../rem2pdf/blib -name '*.1p' -o -name '*.3pm'`
+else
+    PERLMANS=""
+fi
+
 # If we have "spellintian", run it against man pages
 cat <<'EOF' >> $OUT
 
@@ -673,7 +679,7 @@ spellintian /dev/null < /dev/null > /dev/null 2>&1
 if test $? = 0 ; then
     echo "Linting man pages"
     # we grep out some false-positives from rem2ps
-    spellintian --picky ../man/*.1 2>&1 | grep -v -F 'MinX MinX (duplicate word)' | grep -v -F 'MinY MinY (duplicate word)' | grep -v -F 'show show (duplicate word)' >> $OUT 2>&1
+    spellintian --picky $PERLMANS ../man/*.1 2>&1 | grep -v -F 'MinX MinX (duplicate word)' | grep -v -F 'MinY MinY (duplicate word)' | grep -v -F 'show show (duplicate word)' >> $OUT 2>&1
 fi
 
 # If we have "hunspell", run it against man pages
@@ -688,14 +694,13 @@ HUNSPELL="hunspell -d en_US -l -p manpage-personal-dict"
 $HUNSPELL /dev/null < /dev/null > /dev/null 2>&1
 if test $? = 0; then
     echo "Spell-checking man pages, WHATSNEW and README.md"
-    cat ../man/*.1 | $HUNSPELL -n >> $OUT 2>&1
+    cat ../man/*.1 $PERLMANS | $HUNSPELL -n >> $OUT 2>&1
     cat ../docs/WHATSNEW | $HUNSPELL >> $OUT 2>&1
     cat ../README.md | $HUNSPELL >> $OUT 2>&1
     # If we have pod2man, check rem2pdf and rem2html man pages too
     pod2man < ../rem2html/rem2html.in > /dev/null 2>&1
     if test $? = 0 ; then
         pod2man < ../rem2html/rem2html.in | $HUNSPELL -n >> $OUT 2>&1
-        pod2man < ../rem2pdf/bin/rem2pdf.in | $HUNSPELL -n >> $OUT 2>&1
     fi
 fi
 

tests/test.cmp

@@ -1046,7 +1046,7 @@ set a057 value("a05"+"6")
 "a05" + "6" => "a056"
 value("a056") => "SDFJHSDF KSJDFH KJSDFH KSJDFH"
 set a058 version()
-version() => "06.01.06"
+version() => "06.01.07"
 set a059 wkday(today())
 today() => 1991-02-16
 wkday(1991-02-16) => "Saturday"
@@ -2609,7 +2609,7 @@ a056  "SDFJHSDF KSJDFH KJSDFH KSJDFH"
 a007  "1991-02-16"
 a057  "SDFJHSDF KSJDFH KJSDFH KSJDFH"
 a008  "11:44"
-a058  "06.01.06"
+a058  "06.01.07"
 a059  "Saturday"
 a010  12
 a060  6
@@ -5562,8 +5562,8 @@ REM SATISFY ""
 REM SATISFY [version() > "01.00.00"]
 ../tests/test.rem(1074): SATISFY: expression has no reference to trigdate() or $T...
 ../tests/test.rem(1074): Trig = Saturday, 16 February, 1991
-version() => "06.01.06"
+version() => "06.01.07"
-"06.01.06" > "01.00.00" => 1
+"06.01.07" > "01.00.00" => 1
 ../tests/test.rem(1074): Trig(satisfied) = Saturday, 16 February, 1991
 REM SATISFY [max(x, max(x, 1, 2, 3), 4, 5, 6) * 5]
 ../tests/test.rem(1075): SATISFY: expression has no reference to trigdate() or $T...
@@ -23707,7 +23707,7 @@ SECURITY: Won't read world-writable file or directory!
 Error reading include_dir/ww: Can't open file
 SECURITY: Won't read world-writable file or directory!
 Error reading include_dir/ww: No files matching *.rem
-06.01.06
+06.01.07
 Enabling test mode: This is meant for the acceptance test.
 Do not use --test in production.
 In test mode, the system time is fixed at 2025-01-06@19:00