One more release note

clang does not support this option, but the configure script was
supplying it anyway, causing warnings.

configure.in

@@ -1,6 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT(src/queue.c)
+AC_INIT
+AC_CONFIG_SRCDIR([src/queue.c])
 
 cat <<'EOF'
 
@@ -12,7 +13,7 @@ cat <<'EOF'
 
 EOF
 
-AC_CONFIG_HEADER(src/config.h)
+AC_CONFIG_HEADERS([src/config.h])
 
 AC_ARG_ENABLE(perl-build-artifacts,
 [  --disable-perl-build-artifacts
@@ -29,32 +30,32 @@ AC_PATH_PROG([PERL], [perl])
 
 dnl Checks for libraries.
 AC_CHECK_LIB(m, sqrt)
+AC_CHECK_HEADERS_ONCE([sys/time.h])
 
 dnl Integer sizes
 AC_CHECK_SIZEOF(unsigned int)
 AC_CHECK_SIZEOF(unsigned long)
+AC_CHECK_SIZEOF(time_t)
 
 dnl Checks for header files.
-AC_CHECK_HEADERS(sys/types.h sys/file.h glob.h wctype.h locale.h langinfo.h)
+AC_CHECK_HEADERS(sys/types.h glob.h wctype.h locale.h langinfo.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_STRUCT_TM
 
 dnl Checks for library functions.
 AC_FUNC_UTIME_NULL
-AC_HEADER_TIME
-
 if test "$GCC" = yes; then
 	CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes"
         # Check for link-time optimization support
         f=-flto=auto
         AC_MSG_CHECKING([whether $CC supports $f])
-        if $CC -E $f /dev/null > /dev/null 2>&1 ; then
+        if $CC -Werror -E $f - < /dev/null > /dev/null 2>&1 ; then
             AC_MSG_RESULT([yes])
             CFLAGS="$CFLAGS $f"
             f=-ffat-lto-objects
             AC_MSG_CHECKING([whether $CC supports $f])
-            if $CC -E $f /dev/null > /dev/null 2>&1 ; then
+            if $CC -Werror -E $f - < /dev/null > /dev/null 2>&1 ; then
                 AC_MSG_RESULT([yes])
                 CFLAGS="$CFLAGS $f"
             else
@@ -65,6 +66,12 @@ if test "$GCC" = yes; then
         fi
 fi
 
+dnl If sizeof(time_t) is 4, try to get 64-bit time_t
+if test "$ac_cv_sizeof_time_t" = "4" ; then
+    AC_MSG_NOTICE([time_t is 32-bits on this system; attempting to use 64-bit time_t])
+    CFLAGS="$CFLAGS -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64"
+fi
+
 if test "$ac_cv_perlartifacts" = "yes" ; then
     PERLARTIFACTS=
 else
@@ -80,10 +87,12 @@ if test "$?" != 0 ; then
     exit 1
 fi
 AC_CHECK_FUNCS(setenv unsetenv glob mbstowcs setlocale initgroups)
-VERSION=04.02.04
+
+VERSION=04.02.08
 AC_SUBST(VERSION)
 AC_SUBST(PERL)
 AC_SUBST(PERLARTIFACTS)
 AC_SUBST(RELEASE_DATE)
-AC_OUTPUT(src/Makefile www/Makefile src/version.h rem2html/Makefile rem2pdf/Makefile.PL rem2pdf/Makefile.top rem2pdf/bin/rem2pdf man/rem.1 man/rem2ps.1 man/remind.1 man/tkremind.1)
+AC_CONFIG_FILES([src/Makefile www/Makefile src/version.h rem2html/Makefile rem2pdf/Makefile.PL rem2pdf/Makefile.top rem2pdf/bin/rem2pdf man/rem.1 man/rem2ps.1 man/remind.1 man/tkremind.1])
+AC_OUTPUT
 chmod a+x rem2pdf/bin/rem2pdf

contrib/remind-conf-mode/remind-conf-mode.el

@@ -514,6 +514,7 @@ Acts on the region or places point where it needs to be."
   (set (make-local-variable 'comment-start) ";")
   (set (make-local-variable 'comment-start) "#")
   (set (make-local-variable 'comment-end) "\n")
+  (set (make-local-variable 'comment-end-skip) "[ \t]*\\(\\s>\\||#\\)")
   (set (make-local-variable 'skeleton-end-hook) nil) ; so the skeletons will not automatically go to a new line.
   (set (make-local-variable 'fill-column) '100);cause I was having problems with autofill.
   (set (make-local-variable 'indent-line-function) 'remind-indent-line)

docs/WHATSNEW

@@ -1,5 +1,106 @@
 CHANGES TO REMIND
 
+* VERSION 4.2 Patch 8 - 2023-12-14
+
+- NEW FEATURE: Add the $MaxLateMinutes system variable.  This suppresses
+  a queued time reminder if the current time is more than $MaxLateMinutes
+  past the trigger time.  (This typically only occurs if the computer
+  has been suspended/hibernated and then resumed.)
+
+- IMPROVEMENT: tkremind: If an error occurs during printing, catch it
+  and change the Queue... button to Errors... (the same way errors in
+  reminder files are handled.)
+
+- IMPROVEMENT: rem2html: add the --utf8 flag to set the HTML charset to
+  UTF-8.
+
+- MINOR IMPROVEMENTS: Refactor some of the C code; use symbolic exit
+  statuses and file descriptors for stdin/stdout/stderr where possible.
+
+- BUG FIX: configure.in: Use better option detection so we don't use the
+  unsupported option -ffat-lto-objects if compiling with clang instead of gcc.
+
+- BUG FIXES: Many fixes to man pages, some by Jochen Sprickerhof
+
+- MINOR BUG FIX: If Remind puts itself in the background, only close
+  stdout/stderr if they are not associated with a terminal.  If
+  we close a descriptor, dup /dev/null onto it.
+
+- MINOR BUG FIX: Catch SIGCONT when running in daemon/background mode.
+  This forces the select() call to be interrupted so we can update the
+  sleep time.  This really only matters if the computer or the background
+  Remind process is suspended and then resumed.
+
+* VERSION 4.2 Patch 7 - 2023-10-09
+
+- IMPROVEMENT: remind: On 32-bit systems, attempt to use a 64-bit time_t
+  if the C library supports that.  This lets Remind work properly with
+  dates after 2038 in the few cases it has to call mktime() internally.
+
+- MINOR NEW FEATURE: remind: Attempt to obtain the terminal background
+  color using an OSC sequence.  This normally only happens if standard
+  output is a terminal, but can be forced with the '-@..,t' option.
+
+- MINOR NEW FEATURE: remind: Add "--version" long option to print out
+  Remind's version and exit.
+
+- MINOR IMPROVEMENT: tkremind: Use a higher-resolution PNG image for
+  the icon.
+
+- MINOR IMPROVEMENT: remind-conf-mode.el: Update highlighting rules
+  courtesy of Bill Benedetto
+
+- MINOR CHANGE: Make AT optional.  If we encounter a TIME in a REM
+  command, implicitly begin an AT clause.
+
+- DOCUMENTATION: Many minor fixes and improvements courtesy of Dan Jacobson.
+
+- BUG FIX: Make "-w0" set the calendar width based on standard output
+  rather than setting it to zero and causing an infinite loop.
+
+* VERSION 4.2 Patch 6 - 2023-09-12
+
+- NEW FEATURE: remind: The "nonomitted()" function takes an optional
+  extra INT argument called "step".  See man page for details.  Also
+  allows the "start" argument to be greater than the "end" argument,
+  in which case they are effectively swapped.
+
+- NEW FEATURE: remind: The "slide()" function takes an optional extra
+  INT argument called "step", similar to "nonomitted()".  See man page
+  for details.
+
+- NEW FEATURE: remind: Added the $ParseUntriggered system variable;
+  see the man page for details.  You almost certainly will never need
+  to use this.
+
+- NEW FILE: holidays/ie.rem: Added Irish holidays, courtesy of
+  Amy de Buitléir.
+
+- CHANGE: remind: The "-tn" option sets all REM statement deltas to
+  ++n rather than adding n to any existing REM statement's delta.
+  Additionally, the corresponding system variable $DeltaOffset has
+  been renamed to $DeltaOverride.
+
+- NEW OPTION: remind: Add the "-tz" option to explicitly set all
+  REM statement deltas to zero.
+
+- DOCUMENTATION FIX: remind: various documentation improvements.
+
+- BUG FIX: Correct some errors in Italian localization, courtesy of
+  Emanuele Torre
+
+* VERSION 4.2 Patch 5 - 2023-04-11
+
+- MINOR IMPROVEMENT: remind: If someone uses OMIT yyyy-mm-dd UNTIL yyyy-mm-dd
+  give a better error message suggesting THROUGH instead of UNTIL.
+
+- BUG FIX: remind: The fix for the combination of ADDOMIT and SATISFY that
+  appeared in version 04.02.00 was not complete; the bug has finally been
+  properly fixed.
+
+- BUG FIX: remind: Remove an unnecessary #include <sys/file.h>.
+  Nothing needed that and it broke compilation on FreeBSD.
+
 * VERSION 4.2 Patch 4 - 2023-03-15
 
 - NEW FEATURE: Remind: Add "htmlescape" and "htmlstriptags" built-in

examples/alignment.rem

@@ -10,7 +10,7 @@ FSET center(x) pad("", " ", (columns() - columns(x))/2) + x
 FSET right(x) pad("", " ", columns() - columns(x)) + x
 
 MSG This is left-aligned.
-MSG [ansicolor(0,255,0)]This is also left-aligned.[ansicolor("")]
+MSG [ansicolor(0,255,0)]🌕 🌕 🌕 🌕 This is also left-aligned.[ansicolor("")]
 
 MSG [center("This is centered.")]
 MSG [ansicolor(255,255,0) + center("🌕 🌕 🌕 🌕 This is also centered. ") + ansicolor("")]

examples/astro

@@ -8,15 +8,13 @@
 # Set this variable to 1 if your terminal has a dark background or 0 if
 # it: light.
 
-bg_dark=1
-
 # Set your latitude and longitude correctly for Sunrise/Sunset/Equinox/Solstice
 #
 # The values below are for Ottawa, Ontario, Canada
 latitude="45.420556"
 longitude="-75.689722"
 
-remind -g -ibg_dark="$bg_dark" "-i\$Latitude=\"$latitude\"" "-i\$Longitude=\"$longitude\"" -q -@2 - "$@" <<'EOF'
+remind -g "-i\$Latitude=\"$latitude\"" "-i\$Longitude=\"$longitude\"" -q -@2 - "$@" <<'EOF'
 SET $AddBlankLines 0
 BANNER %
 
@@ -24,24 +22,25 @@ INCLUDE [$SysInclude]/ansitext.rem
 
 MSG Today is [ansi_bold][$T][ansi_normal], being the [ord($T-date(year($T),1,1)+1)] day of [year($T)].%_
 
-IF bg_dark
+IF $TerminalBackground == 0
    SPECIAL COLOR 255 255 0 Sunrise:               🌅 [sunrise()] today and [sunrise($T+1)] tomorrow
    SPECIAL COLOR 255 128 0 Sunset:                🌇 [sunset()] today and [sunset($T+1)] tomorrow%_
+ELSE
+   SPECIAL COLOR 128 128 0 Sunrise:               🌅 [sunrise()] today and [sunrise($T+1)] tomorrow
+   SPECIAL COLOR 128 32 0 Sunset:                🌇 [sunset()] today and [sunset($T+1)] tomorrow%_
+
 ENDIF
 EOF
 
-remind -g -ibg_dark="$bg_dark" "-i\$Latitude=\"$latitude\"" "-i\$Longitude=\"$longitude\"" -q -@2 - "$@" <<'EOF'
+remind -g "-i\$Latitude=\"$latitude\"" "-i\$Longitude=\"$longitude\"" -q -@2 - "$@" <<'EOF'
 SET $AddBlankLines 0
 BANNER %
-IF bg_dark
+IF $TerminalBackground == 0
    REM [moondatetime(0)] +60 SPECIAL COLOR 255 255 0 New moon:              🌑 [$T] %3 (%b)
    REM [moondatetime(1)] +60 SPECIAL COLOR 255 255 128 First Quarter:         🌓 [$T] %3 (%b)
    REM [moondatetime(2)] +60 SPECIAL COLOR 255 255 255 Full moon:             🌕 [$T] %3 (%b)
    REM [moondatetime(3)] +60 SPECIAL COLOR 255 255 128 Last Quarter:          🌗 [$T] %3 (%b)
 ELSE
-   SPECIAL COLOR 128 128 0 Sunrise:               🌅 [sunrise()] today and [sunrise($T+1)] tomorrow
-   SPECIAL COLOR 128 32 0 Sunset:                🌇 [sunset()] today and [sunset($T+1)] tomorrow%_
-
    REM [moondatetime(0)] +60 SPECIAL COLOR 128 128 0 New moon:              🌑 [$T] %3 (%b)
    REM [moondatetime(1)] +60 SPECIAL COLOR 128 128 64 First Quarter:         🌓 [$T] %3 (%b)
    REM [moondatetime(2)] +60 SPECIAL COLOR 0 0 0 Full moon:             🌕 [$T] %3 (%b)
@@ -51,7 +50,7 @@ EOF
 
 echo ""
 
-remind -g -ibg_dark="$bg_dark" "-i\$Latitude=\"$latitude\"" "-i\$Longitude=\"$longitude\"" -q -@2 - "$@" <<'EOF'
+remind -g "-i\$Latitude=\"$latitude\"" "-i\$Longitude=\"$longitude\"" -q -@2 - "$@" <<'EOF'
 SET $AddBlankLines 0
 BANNER %
 

include/holidays/ie.rem

@@ -0,0 +1,42 @@
+;
+; Irish Holidays
+;
+; The dates for the Public ("bank") holidays are taken from the following site:
+; https://www.citizensinformation.ie/en/employment/employment-rights-and-conditions/leave-and-holidays/public-holidays/
+;
+; This file was derived from:
+; https://github.com/mhwombat/dotWombat/blob/master/.config/remind/IrishHolidays.rem
+; by Amy de Buitléir.
+
+; fixed dates
+OMIT 31 December MSG New Year's Eve (Oíche Chinn Bliana) Public Holiday
+OMIT 1 January MSG New Year's Day (Lá Caille, Lá Bliana Nua) Public Holiday
+OMIT 17 March MSG Saint Patrick's Day (Lá Fhéile Pádraig) Public Holiday
+OMIT 24 December MSG Christmas Eve (Oíche Nollag) Public Holiday
+OMIT 25 December MSG Christmas Day (Lá Nollag) Public Holiday
+OMIT 26 December MSG Saint Stephen's Day, Wren Day (Lá Fhéile Stiofáin, Lá an Dreoilín) Public Holiday
+
+; moving dates
+
+; First Monday in May
+REM Monday 1 May SCANFROM -7 ADDOMIT MSG May Day (Lá Bealtaine) Public Holiday
+
+; First Monday in June
+REM Monday 1 June SCANFROM -7 ADDOMIT MSG June Public Holiday
+
+; First Monday in August
+REM Monday 1 August SCANFROM -7 ADDOMIT MSG August Public Holiday
+
+; Last Monday in October
+REM Monday 1 -7 November SCANFROM -7 ADDOMIT MSG October Public Holiday
+
+; Easter
+SET easter easterdate(today())
+REM [TRIGGER(easter-2)] MSG Good Friday (Aoine an Chéasta)
+REM [TRIGGER(easter)] MSG Easter Sunday (Domhnach Cásca)
+OMIT [TRIGGER(easter+1)] MSG Easter Monday (Luan Cásca) Public Holiday
+
+; St. Brigid's Day
+REM 1 February MSG Saint Brigid's Day (Lá Fhéile Bríde or Imbolc)
+; The public holiday is the first Monday in February, or 1 February if the date falls on a Friday
+REM February SCANFROM -7 ADDOMIT SATISFY [($Td==1 && $Tw==5) || ($Td<8 && $Tw==1 && $Td!=4)] MSG Public Holiday

include/lang/it.rem

@@ -4,11 +4,11 @@
 # This file is derived from a translation by Valerio Aimale
 
 SET $Sunday "Domenica"
-SET $Monday "Lunedí"
+SET $Monday "Lunedì"
-SET $Tuesday "Martedí"
+SET $Tuesday "Martedì"
-SET $Wednesday "Mercoledí"
+SET $Wednesday "Mercoledì"
-SET $Thursday "Giovedí"
+SET $Thursday "Giovedì"
-SET $Friday "Venerdí"
+SET $Friday "Venerdì"
 SET $Saturday "Sabato"
 
 SET $January "Gennaio"
@@ -40,7 +40,7 @@ SET $Now "ora"
 SET $At "alle"
 SET $Minute "minuto"
 SET $Hour "ora"
-SET $Is "é"
+SET $Is "è"
 SET $Was "era"
 SET $And "e"
 SET $Hplu "a"

man/rem.1.in

@@ -19,4 +19,4 @@ Remind was written by Dianne Skoll <dianne@skoll.ca>
 .SH HOME PAGE
 https://dianne.skoll.ca/projects/remind/
 .SH SEE ALSO
-\fBremind\fR
+\fBremind\fR(1)

man/rem2ps.1.in

@@ -327,7 +327,7 @@ calendar.
 .SH REM2PS INPUT FORMAT (-P OPTION)
 The \fB\-p\fR option is an older, simpler interchange format used by
 \fBRemind\fR to communicate with back-ends.  New back-ends are
-encoraged to support the new \fB\-pp\fR format preferably, though they
+encouraged to support the new \fB\-pp\fR format preferably, though they
 are encouraged to support the older \fB\-p\fR format as well if the
 older format contains enough information for them to work properly.
 .PP
@@ -458,7 +458,7 @@ JSON object.  The keys that may be present in the JSON object are as
 follows:
 .TP
 .B date \fIYYYY-MM-DD\fR
-The \fbdate\fR key will \fIalways\fR be present; it is the trigger date
+The \fBdate\fR key will \fIalways\fR be present; it is the trigger date
 of the reminder expressed as a string in the format \fIYYYY-MM-DD\fR
 .TP
 .B filename \fIf\fR

man/remind.1.in

@@ -28,6 +28,10 @@ Anything after the __EOF__ marker is completely ignored.
 \fBRemind\fR has a slew of options.  If you're new to the program,
 ignore them for now and skip to the section "REMINDER FILES".
 .TP
+.B \-\-version
+The \fB\-\-version\fR option causes \fBRemind\fR to print its version number
+to standard output and then exit.
+.TP
 .B \-n
 The \fB\-n\fR option causes \fBRemind\fR to print the \fBnext\fR occurrence
 of each reminder in a simple calendar format.  You can sort this by
@@ -60,7 +64,9 @@ weeks to be produced.
 .B 'a'
 causes \fBRemind\fR to display reminders on the calendar on the
 day they actually occur \fIas well as\fR on any preceding days
-specified by the reminder's \fIdelta\fR.
+specified by the reminder's \fIdelta\fR.  This \fIalso\fR causes
+\fBRemind\fR to include text outside %"...%" sequences that would
+otherwise be removed (though the actual %" markers themselves are removed.)
 .TP
 .B 'l'
 causes \fBRemind\fR to use VT100 line-drawing characters to draw
@@ -103,11 +109,18 @@ If the optional \fIm\fR parameter is supplied following a comma, then
 \fIm\fR=0 tells \fBRemind\fR that the terminal background is dark, and
 \fBRemind\fR will brighten up dark colors to make them visible.  If
 \fIm\fR=1, then \fBRemind\fR assumes the terminal background is light
-and it will darken bright colors to make them visible.  If no \fIm\fR
+and it will darken bright colors to make them visible.  If \fIm\fR is
-is supplied, or it is supplied as \fIm\fR=2, then \fBRemind\fR does
+specified as 2, then \fBRemind\fR does not perform any adjustments,
-not perform any adjustments, and some reminders may be hard or
+and some reminders may be hard or impossible to see if the color is
-impossible to see if the color is too close to the terminal background
+too close to the terminal background color.  If you supply the letter
-color.
+\fBt\fR rather than a number, then Remind attempts to guess the background
+color of the terminal, \fIeven if\fR stdout is not a terminal.
+.PP
+On startup, if the standard output is a terminal, \fBRemind\fR
+attempts to determine if the terminal background is dark or light by
+sending a special escape sequence to determine the background color.
+The \fIm\fR parameter can override this check (or force it if
+\fIm\fR is given as \fBt\fR.)
 .PP
 If the optional \fIb\fR parameter is supplied following a comma, then
 \fIb=0\fR tells \fBRemind\fR to ignore SPECIAL SHADE reminders (the
@@ -222,8 +235,14 @@ regardless of the \fIdelta\fR supplied for each reminder.
 .TP
 .B \-t\fR\fIn\fR
 If you supply a number \fIn\fR after the \fB\-t\fR option, then
-\fBRemind\fR pretends that each non-expired reminder has a \fIdelta\fR
+\fBRemind\fR pretends that echo \fBREM\fR command has a delta
-of \fIn\fR days and triggers reminders accordingly.
+of \+\+\fIn\fR, regardless of any existing delta.
+.TP
+.B \-tz\fR
+If you supply the letter \fBz\fR after the \fB\-t\fR option, then
+\fBRemind\fR sets all REM statements' deltas to zero, regardless of the
+value supplied in the REM statement itself.  In effect, this disables
+all deltas of the form \fB\+\fIn\fR and \fB\+\+\fIn\fR.
 .TP
 .B \-tt\fR[\fIn\fR]
 The \fB-tt\fR option causes \fBRemind\fR to assume a default delta of
@@ -602,6 +621,11 @@ The following examples show how date specifications are interpreted.
 .PP
 1. Null date specification - the reminder is triggered every day.
 The trigger date for a specific run is simply the current system date.
+For example:
+.PP
+.nf
+        REM MSG This is triggered every time Remind runs
+.fi
 .PP
 2. Only
 .I day
@@ -1782,7 +1806,7 @@ will begin reading from standard input.
 .PP
 If you specify a \fIdirectory\fR as the argument to \fBINCLUDE\fR, then
 \fBRemind\fR will process all files in that directory that match the shell
-patterm "*.rem".  The files are processed in sorted order; the sort order
+pattern "*.rem".  The files are processed in sorted order; the sort order
 matches that used by the shell when it expands "*.rem".
 .PP
 Note that the file specified by an \fBINCLUDE\fR command is interpreted
@@ -2390,6 +2414,10 @@ is normally 0, but can be set with the \fB\-tt\fR option or explicitly
 set in your script.  If \fB$DefaultDelta\fR is non-zero, you can use an
 explicit delta of +0 in an AT clause to countermand the default delta.
 .TP
+.B $DeltaOverride (read-only)
+If non-zero, corresponds to the \fIn\fR argument given to a
+\fB\-t\fR\fIn\fR command-line option.
+.TP
 .B $DontFork (read-only)
 If non-zero, then the \fB\-c\fR option was supplied on the command line.
 .TP
@@ -2456,7 +2484,8 @@ or a date different from today's true date was supplied.  If non-zero,
 then \fBONCE\fR directives will be ignored.
 .TP
 .B $InfDelta (read-only)
-If non-zero, then the \fB\-t\fR option was supplied on the command line.
+If non-zero, then the \fB\-t\fR option was supplied on the command line,
+with no \fIn\fR argument.
 .TP
 .B $IntMax (read-only)
 The largest representable \fBINT\fR.  On a machine with 32-bit signed integers
@@ -2533,6 +2562,24 @@ updates \fB$LongDeg\fR, \fB$LongMin\fR and \fB$LongSec\fR.  Similar
 rules apply to \fB$Latitude\fR, \fB$LatDeg\fR, \fB$LatMin\fR and \fB$LatSec\fR.
 .RE
 .TP
+.B $MaxLateMinutes
+This variable controls how \fBRemind\fR reacts to a computer being suspended
+and then woken.  Normally, if a timed reminder is queued and then the
+computer suspended, and then the computer is woken \fIafter\fR the
+timed reminder's trigger time, \fBRemind\fR will triger the timer anyway,
+despite the fact that the trigger time has already passed.
+.RS
+.PP
+If you set \fB$MaxLateMinutes\fR to a non-zero integer between 1 and 1440,
+then \fBRemind\fR will \fInot\fR trigger a timed reminder whose trigger
+time is more than \fB$MaxLateMinutes\fR minutes in the past.
+.PP
+Note that \fBRemind\fR uses the value of \fB$MaxLateMinutes\fR that is in
+effect when it has finished reading the reminder file and puts itself in
+the background.  Generally, you should set \fB$MaxLateMinutes\fR once
+near the beginning of the file and not change it after that.
+.RE
+.TP
 .B $MaxSatIter
 The maximum number of iterations for the \fBSATISFY\fR clause
 (described later.)  Must be at least 10.
@@ -2577,6 +2624,28 @@ by \fBREM\fR commands; triggers in \fBIFTRIG\fR commands do
 not affect it.
 .RE
 .TP
+.B $ParseUntriggered
+A flag indicating whether or not \fBRemind\fR should fully parse \fBREM\fR
+statements that are not triggered.  0 means to skip parsing them and 1
+(the default) means to parse them.
+.PP
+.RS
+For example, if we have the following \fBREM\fR statement:
+.PP
+.nf
+            REM 2020-01-01 MSG ["bad_expression" * 2]
+.fi
+.PP
+Then by default, \fBRemind\fR will fully parse the line and issue
+a "Type mismatch" error even if the reminder is not triggered.  However,
+if \fB$ParseUntriggered\fR is set to 0, then \fBRemind\fR will not
+issue the error except on 2020-01-01, when the reminder is triggered.
+.PP
+Setting \fB$ParseUntriggered\fR to 0 may in some cases slightly
+improve performance, at the risk of not catching errors until a
+reminder is triggered.
+.RE
+.TP
 .B $PrefixLineNo (read-only)
 If non-zero, then the \fB\-l\fR option was supplied on the command line.
 .TP
@@ -2678,9 +2747,13 @@ Set to 1 if the \fB\-@1\fR option was used; 0 otherwise.
 Set to 1 if the \fB\-@2\fR option was used; 0 otherwise.
 .TP
 .B $TerminalBackground (read-only)
-Returns -1 if the terminal background color was not specified,
+Returns -1 if the terminal background color could not be determined, 0
-0 if it was specified as dark with the \fB\-@,0\fR option or
+if it was found to be dark (or was specified as dark with the
-1 if it was specified as light with the \fB\-@,1\fR option.
+\fB\-@,0\fR option) or 1 if it was found to be light (or specified as
+light with the \fB\-@,1\fR option.)  The terminal background is considered
+to be "dark" if the average of the red, green and blue components is
+at most 85 out of 255, and if the maximum of any component is at most
+128 out of 255.
 .PP
 Note:  If any of the calendar modes are in effect, then the
 values of $Daemon, $DontFork, $DontTrigAts, $DontQueue, $HushMode,
@@ -3258,14 +3331,31 @@ is supplied, only the date component is used.
 Returns the time of "nautical twilight" on the specified \fIdate\fR.  If
 \fIdate\fR is omitted, defaults to \fBtoday()\fR.
 .TP
-.B nonomitted(dq_start, dq_end [,s_wkday...])
+.B nonomitted(dq_start, dq_end [, i_step] [,s_wkday...])
 This function returns the number of \fInon-\fRomitted days between
 \fIstart\fR and \fIend\fR.  If \fIstart\fR is non-omitted, then it is
 counted.  \fIend\fR is never counted.
 .RS
 .PP
-Note that \fIend\fR must be greater than or equal to \fIstart\fR or an
+Note that if \fIend\fR is less than \fIstart\fR, the arguments
-error is reported.  In addition to using the global OMIT context, you
+are effectively swapped, so counting always begins from the older
+date.
+.PP
+If the third argument to \fBnonomitted\fR is an \fBINT\fR, then it must
+be greater than zero, and is consider to be the \fIstep\fR by which
+\fBnonomitted\fR counts.  For example the following expression:
+.PP
+.nf
+        nonomitted('2023-07-01', '2023-07-29', 7)
+.fi
+.PP
+returns the number of non-omitted Saturdays from 2023-07-01 up to
+(but not including) 2023-07-29.  (Both 2023-07-01 and 2023-07-29 are
+Saturdays.)
+.PP
+If no \fIstep\fR argument is supplied, then a step of 1 is used.
+.PP
+In addition to using the global OMIT context, you
 can supply additional arguments that are names of weekdays to be
 omitted.  However, in a \fBREM\fR command, any local \fBOMITFUNC\fR
 clause is \fInot\fR taken into account by this function.
@@ -3292,7 +3382,7 @@ reminder will label day numbers in a calendar:
 .fi
 .PP
 Obviously, the answer you get from \fBnonomitted\fR depends on the global
-OMIT context.  If you use moveable OMITs, you may get inconsistent results.
+OMIT context.  If you use movable OMITs, you may get inconsistent results.
 .PP
 Here is a more complex use for \fBnonomitted\fR.  My garbage collection
 follows two interleaved 14-day cycles: One Friday, garbage and paper
@@ -3486,10 +3576,13 @@ will set \fBa\fR to:
 .fi
 
 .TP
-.B slide(d_start, i_amt [,s_wkday...])
+.B slide(d_start, i_amt [, i_step] [,s_wkday...])
 This function is the inverse of \fBnonomitted\fR.  It adds \fIamt\fR
-days (which can be negative) to \fIstart\fR, \fInot counting omitted days\fR.
+(which can be negative) chunks of \fIstep\fR days to \fIstart\fR,
-The optional \fIwkday\fR arguments are additional weekday names to omit.
+\fInot counting omitted days\fR.  If \fIstep\fR is not supplied, then
+it is assumed to be 1.  Note that only every \fIstep\fRth day is
+tested to see if it is omitted.  The optional \fIwkday\fR arguments
+are additional weekday names to omit.
 .RS
 .PP
 Consider this example:
@@ -3509,6 +3602,26 @@ May 16 and 17.  You can go backwards, too, so:
 .fi
 .PP
 takes \fIa\fR back to 2009-05-13.
+.PP
+Now consider this example:
+.PP
+.nf
+        OMIT 14 May 2009
+        SET a slide('2009-05-07', 2, 7)
+.fi
+.PP
+This sets \fIa\fR to '2009-05-28' because we skip ahead two weeks, not
+counting a week where the day we land on happens to be omitted.  Contrast with
+this:
+.PP
+.nf
+        OMIT 13 May 2009
+        SET a slide('2009-05-07', 2, 7)
+.fi
+.PP
+which sets \fIa\fR to '2009-05-21'.  Although 2009-05-13 is omitted, we
+don't "land" on it as we step forward in chunks of 7 days, so we never
+see that it is omitted.
 .RE
 .TP
 .B soleq(i_which [, dqi_start])
@@ -4216,7 +4329,7 @@ you define a function taking no parameters.  Here are some examples:
 .nf
 	FSET double(x) 2*x
 	FSET yeardiff(date1, date2) year(date1) - year(date2)
-	FSET since(x) ord(year(trigdate())\-x)
+	FSET since(x) ord($Ty \- x)
 .fi
 .PP
 The last function is useful in birthday reminders.  For example:
@@ -4231,6 +4344,12 @@ Dean was born in 1984.  The above example, on 1 November 1992, would print:
 	Dean's 8th birthday is today.
 .fi
 .PP
+Similarly, the function is useful in anniversary reminders.  For example:
+.PP
+.nf
+        REM 4 June MSG [since(1989)] anniversary of the Tienanmen Square massacre
+.fi
+.PP
 Notes:
 .TP
 o
@@ -5449,7 +5568,7 @@ The \fBSPECIAL\fR keyword is used to transmit "out-of-band" information
 to \fBRemind\fR backends, such as \fBtkremind\fR or \fBRem2PS\fR.
 They are used only when piping data from a \fBremind \-p\fR line.
 (Note that the COLOR special is an exception; it downgrades to the
-equivalent of MSG in \fBremind's\fR normal mode of operation.)
+equivalent of MSG in \fBRemind's\fR normal mode of operation.)
 .PP
 The various \fBSPECIAL\fRs recognized are particular for each
 backend; however, there are four \fBSPECIAL\fRs that all backends
@@ -5538,7 +5657,7 @@ after the WEEK keyword.
 .PP
 .SH MISCELLANEOUS
 .PP
-.B COMMAND ABBREVIATIONS
+.B COMMAND AND KEYWORD ABBREVIATIONS
 .PP
 The following tokens can be abbreviated:
 .TP
@@ -5565,6 +5684,9 @@ o
 \fBINCLUDE\fR --> \fBINC\fR
 .TP
 o
+\fBMAYBE-UNCOMPUTABLE\fR --> \fBMAYBE\fR
+.TP
+o
 \fBSCANFROM\fR --> \fBSCAN\fR
 .PP
 .B NIFTY EXAMPLES
@@ -5737,6 +5859,25 @@ components, then \fBRemind\fR will correctly compute a trigger date, even
 if it happens to be before the start of scanning.
 Note that this behaviour is not true for
 versions of \fBRemind\fR prior to 03.00.01.
+.SH FILES
+.PP
+The traditional location of your reminders file or directory is:
+.PP
+.nf
+        $HOME/.reminders
+.fi
+.PP
+where \fB$HOME\fR is your home directory.
+.PP
+Remind ships with some preinstalled files for holidays and language
+packs.  These are located in the following directory:
+.PP
+.nf
+        @prefix@/share/remind/
+.fi
+.PP
+Do not hard-code the above directory in your reminder files.  Instead,
+use the value of the $SysInclude system variable.
 .SH AUTHOR
 .PP
 Dianne Skoll <dianne@skoll.ca> wrote \fBRemind\fR.  The moon code
@@ -5784,9 +5925,11 @@ Liviu Daia
 Rafa Couto
 .PP
 \fBIcelandic\fR --
-Bj\(:orn Dav\('i\[Sd]sson
+Bj\[:o]rn Daví\[Sd]sson
 .SH BUGS
 .PP
+If you find a bug in Remind, please report it to: dianne@skoll.ca
+.PP
 There's no good reason why read-only system variables are not
 implemented as functions, or why functions like \fBversion()\fR, etc.
 are not implemented as read-only system variables.
@@ -5809,6 +5952,8 @@ Richard Siegel and Michael and Sharon Strassfeld, \fIThe First Jewish
 Catalog\fR, Jewish Publication Society of America.
 .SH HOME PAGE
 https://dianne.skoll.ca/projects/remind/
+.SH MAILING LIST
+https://dianne.skoll.ca/mailman/listinfo/remind-fans
 .SH SEE ALSO
 .PP
 \fBrem\fR(1), \fBrem2ps\fR(1), \fBrem2pdf\fR(1), \fBtkremind\fR(1), \fBrem2html\fR(1)

man/tkremind.1.in

@@ -383,6 +383,16 @@ same thing.
 STATUS
 Return the number of queued reminders.
 
+.TP
+QUEUE
+Returns the contents of the queue, printed between "NOTE queue" and
+"NOTE endqueue" lines.
+
+.TP
+JSONQUEUE
+Returns the contents of the queue in JSON format, printed between
+"NOTE JSONQUEUE" and "NOTE ENDJSONQUEUE" lines.
+
 .TP
 REREAD
 Re-read the reminder file
@@ -416,6 +426,16 @@ NOTE queued \fIn\fR
 This line is emitted in response to a \fBSTATUS\fR command.  The number
 \fIn\fR is the number of reminders in the queue.
 
+.TP
+NOTE queue
+Indicates that queue contents are about to follow.  The end of the
+queue is indicated by a NOTE endqueue line.
+
+.TP
+NOTE JSONQUEUE
+Indicates that queue contents in JSON format are about to follow.  The
+end of the queue is indicated by a NOTE ENDJSONQUEUE line.
+
 .SH AUTHOR
 TkRemind was written by Dianne Skoll <dianne@skoll.ca>
 

rem2html/rem2html

@@ -6,6 +6,7 @@ use warnings;
 
 use Getopt::Long;
 use JSON::MaybeXS;
+use Encode;
 
 my %Options;
 
@@ -44,6 +45,11 @@ Print usage information
 
 Print version
 
+=item --utf8
+
+Assume standard input is encoded in UTF-8; write UTF-8 data to standard
+output.
+
 =item --backurl I<url>
 
 When producing the small calendar for the previous month, make the
@@ -154,6 +160,7 @@ Usage: remind -pp ... | rem2html [options]
 Options:
 
 --help, -h            Print usage information
+--utf8                Assume UTF-8 input and write UTF-8 output
 --man                 Show man page (requires "perldoc")
 --version             Print version
 --backurl url         Make the title on the previous month's small calendar
@@ -197,6 +204,7 @@ sub parse_options
     local $SIG{__WARN__} = sub { print STDERR "$TIDY_PROGNAME: $_[0]\n"; };
     if (!GetOptions(\%Options, "help|h",
 		    "man",
+                    "utf8",
                     "pngs",
 		    "version",
 		    "stylesheet=s",
@@ -216,13 +224,22 @@ sub parse_options
     if ($stylesheet) {
             $Options{stylesheet} = smoosh($Options{imgbase}, $stylesheet);
     }
+    if ($Options{utf8}) {
+            binmode(STDIN, ':encoding(UTF-8)');
+            binmode(STDOUT, ':encoding(UTF-8)');
+    }
 }
 
 sub start_output
 {
     return if ($Options{tableonly});
 
-    print("<html>\n<head>\n<title>" . $Options{title} . "</title>\n");
+    print("<html>\n<head>\n");
+    if ($Options{utf8}) {
+            print '<meta charset="UTF-8">' . "\n";
+    }
+
+    print("<title>" . $Options{title} . "</title>\n");
     if (!$Options{nostyle}) {
 	if ($Options{stylesheet}) {
                 print('<link rel="stylesheet" type="text/css" href="' .
@@ -310,7 +327,12 @@ sub parse_input
 		($y, $m, $d, $special, $tag, $duration, $time, $body) =
 		    ($1, $2, $3, $4, $5, $6, $7, $8);
 	} elsif (/\{/) {
-		my $obj = decode_json($_);
+		my $obj;
+                if ($Options{utf8}) {
+                        $obj = decode_json(encode('UTF-8', $_, Encode::FB_DEFAULT));
+                } else {
+                        $obj = decode_json($_);
+                }
 		next unless ($obj->{date} =~ /^(\d+)-(\d+)-(\d+)$/);
 		$y = $1;
 		$m = $2;

scripts/tkremind

@@ -29,31 +29,62 @@ set Hostname [exec hostname]
 # Our icon photo
 catch {
     image create photo rpicon -data {
-R0lGODlhFwAgAOecABUTERYTERYUERcVEhgWExkXFBkXFRoXFRsZFhwZFxwa
+iVBORw0KGgoAAAANSUhEUgAAAEAAAABbCAYAAADDeIOGAAAACXBIWXMAAAu6AAALugFBTNueAAAA
-GB0bGR4cGR4cGh8dGiAeHCEfHCEfHSIgHSIgHiQiHyYkISknJCooJispJywq
+GXRFWHRTb2Z0d2FyZQB3d3cuaW5rc2NhcGUub3Jnm+48GgAADANJREFUeJzdnGtsFNcVx38Xr19r
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+SYzbuAU0YHQJP0aGeBODKICRQAHQCPxCHqzwQ2r93+BeomM3NzgCVMXyLeERoJSaDewC0hJqyEAb
-////////////////////////////////////////////////////////////
+xpPhLHAa+LuInDBTSCgBSql+wCGMEEwULgN/AfYDB0Xkti3tBIf+H0hQeCulBKgG+n4nH4NKqXnA
-////////////////////////////////////////////////////////////
+mkSUnZmZyaZNmxgyZMhgEbkTV2EJavlU4CQWrejz+SQjI0O71VNTU2XBggXyxRdfiIhIZWXlN0BK
-////////////////////////////////////////////////////////////
+PL4makpsIzDBSmjz5s3Mnz+fQ4cOceHCBQKBAM3Nzdy+fZs7d+6glGLAgAH4fD6Ki4uZNWsWeXl5
-////////////////////////////////////////////////////////////
+3fqTJk3K2rt372xgt2NPE9D6+RhvZ6atmZubK/fv35d48MknnwiwOR5/EzEGvAn0txKqqqoiOTk5
-////////////////////////////////////////////////////////////
+LkPPPvss/fv3/1E8ZbhKgFJqDjBfR7a0tDRue16vl/z8/LGhx60juEaAUkoBvwTrcSUzM5NnnnnG
-////////////////////////////////////////////////////////////
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-/////////////////////yH5BAEKAP8ALAAAAAAXACAAAAj+AP8JHEiwoMGD
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+        17h2jP27d0Kf2zH2893G2NNzM3S1YvzAYgDj9Ffsd2eX8V/DpporbFKohAAAAABJRU5ErkJggg== }
 
     wm iconphoto . -default rpicon
 }
@@ -1249,7 +1280,7 @@ proc Status { stuff } {
 #   None
 #---------------------------------------------------------------------------
 proc DoPrint {} {
-    global Rem2PS Rem2PDF HaveRem2PDF PSCmd Option PrintStatus
+    global Rem2PS Rem2PDF HaveRem2PDF PSCmd Option PrintStatus RemindErrors
     global CurMonth CurYear MonthNames
 
     catch {destroy .p}
@@ -1435,7 +1466,8 @@ proc DoPrint {} {
     append cmd " $fname"
     Status "Printing..."
     if {[catch {eval "exec $cmd"} err]} {
-	tk_dialog .error Error "Error during printing: $err" error 0 Ok
+        set RemindErrors [unique_lines $err]
+        set_button_to_errors
     }
     DisplayTime
 }
@@ -2671,9 +2703,14 @@ proc ShowQueue { file } {
 	    continue;
 	}
         set obj [lsort -command sort_q $obj]
+        set did 0
 	foreach q $obj {
 	    $w.t insert end "$q\n"
+            set did 1
 	}
+        if { $did == 0 } {
+            $w.t insert end "(Queue is empty)\n"
+        }
     }
     $w.t configure -state disabled
 }
@@ -4017,13 +4054,17 @@ bind Balloon <Destroy> {
     catch { unset Balloon(helptext%W) }
 }
 
-proc balloon_add_help { w txt } {
+proc balloon_set_help { w txt } {
     global Balloon
     if {"$txt" == ""} {
 	catch { unset Balloon(helptext$w) }
 	return
     }
     set Balloon(helptext$w) $txt
+}
+
+proc balloon_add_help { w txt } {
+    balloon_set_help $w $txt
     bindtags $w "Balloon [bindtags $w]"
 }
 
@@ -4175,9 +4216,11 @@ proc update_color_buttons { w } {
 }
 
 proc set_button_to_queue {} {
+    balloon_set_help .b.queue "See the queue of pending reminders (debugging purposes only)"
     .b.queue configure -text {Queue...} -command {DoQueue}
 }
 proc set_button_to_errors {} {
+    balloon_set_help .b.queue "See the list of errors from the most recent operation"
     .b.queue configure -text {Errors...} -command {ShowErrors}
 }
 

src/calendar.c

@@ -1218,7 +1218,7 @@ static void PrintLeft(char const *s, int width, char pad)
 	if (!buf) {
 	    /* Uh-oh... cannot recover */
 	    fprintf(stderr, "%s\n", ErrMsg[E_NO_MEM]);
-	    exit(1);
+	    exit(EXIT_FAILURE);
 	}
     }
     (void) mbstowcs(buf, s, len+1);
@@ -1297,7 +1297,7 @@ static void PrintCentered(char const *s, int width, char *pad)
 	if (!buf) {
 	    /* Uh-oh... cannot recover */
 	    fprintf(stderr, "%s\n", ErrMsg[E_NO_MEM]);
-	    exit(1);
+	    exit(EXIT_FAILURE);
 	}
     }
     (void) mbstowcs(buf, s, len+1);
@@ -1603,7 +1603,7 @@ static void GenerateCalEntries(int col)
     r=IncludeFile(InitialFile);
     if (r) {
 	fprintf(ErrFp, "%s %s: %s\n", ErrMsg[E_ERR_READING], InitialFile, ErrMsg[r]);
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
     while(1) {
@@ -1611,7 +1611,7 @@ static void GenerateCalEntries(int col)
 	if (r == E_EOF) return;
 	if (r) {
 	    Eprint("%s: %s", ErrMsg[E_ERR_READING], ErrMsg[r]);
-	    exit(1);
+	    exit(EXIT_FAILURE);
 	}
 	s = FindInitialToken(&tok, CurLine);
 
@@ -1811,8 +1811,12 @@ static int DoCalRem(ParsePtr p, int col)
 	FindToken(DBufValue(&buf), &tok);
 	DBufFree(&buf);
 	if (tok.type == T_Empty || tok.type == T_Comment) {
+            r = OK;
+            if (trig.addomit) {
+                r = AddGlobalOmit(LastTriggerDate);
+            }
 	    FreeTrig(&trig);
-	    return OK;
+	    return r;
 	}
 	if (tok.type != T_RemType || tok.val == SAT_TYPE) {
 	    FreeTrig(&trig);

src/config.h.in

@@ -7,9 +7,6 @@
 /* Define if your <sys/time.h> declares struct tm.  */
 #undef TM_IN_SYS_TIME
 
-/* Define if you have the <sys/file.h> header file.  */
-#undef HAVE_SYS_FILE_H
-
 /* Define if you have the <sys/types.h> header file.  */
 #undef HAVE_SYS_TYPES_H
 

src/dorem.c

@@ -199,9 +199,11 @@ int DoRem(ParsePtr p)
     } else {
         /* Parse the rest of the line to catch any potential
            expression-pasting errors */
-        while (ParseChar(p, &r, 0)) {
+        if (ParseUntriggered) {
-            if (r != 0) {
+            while (ParseChar(p, &r, 0)) {
-                break;
+                if (r != 0) {
+                    break;
+                }
             }
         }
     }
@@ -348,6 +350,16 @@ int ParseRem(ParsePtr s, Trigger *trig, TimeTrig *tim, int save_in_globals)
 	    if (r) return r;
 	    break;
 
+        /* A time implicitly introduces an AT if AT is not explicit */
+        case T_Time:
+            DBufFree(&buf);
+            if (tim->ttime != NO_TIME) return E_TIME_TWICE;
+            tim->ttime = tok.val;
+            r = ParseTimeTrig(s, tim, save_in_globals);
+            if (r) return r;
+	    trig->duration_days = ComputeTrigDuration(tim);
+	    break;
+
 	case T_At:
 	    DBufFree(&buf);
 	    r=ParseTimeTrig(s, tim, save_in_globals);
@@ -1134,7 +1146,12 @@ int TriggerReminder(ParsePtr p, Trigger *t, TimeTrig *tim, int dse, int is_queue
 	if (msg_command) {
 	    DoMsgCommand(msg_command, DBufValue(&buf));
 	} else {
-	    printf("%s", DBufValue(&buf));
+            /* Add a space before "NOTE endreminder" */
+            if (Daemon < 0 && !strncmp(DBufValue(&buf), "NOTE endreminder", 16)) {
+                printf(" %s", DBufValue(&buf));
+            } else {
+                printf("%s", DBufValue(&buf));
+            }
 	}
 	break;
 
@@ -1182,7 +1199,7 @@ int ShouldTriggerReminder(Trigger *t, TimeTrig *tim, int dse, int *err)
 	if (DontIssueAts > 1) {
 	    /* If two or more -a options, then *DO* issue ats that are in the
 	       future */
-	    if (tim->ttime < SystemTime(0) / 60) {
+	    if (tim->ttime < MinutesPastMidnight(0)) {
 		return 0;
 	    }
 	} else {
@@ -1190,29 +1207,31 @@ int ShouldTriggerReminder(Trigger *t, TimeTrig *tim, int dse, int *err)
 	}
     }
 
-    /* Don't trigger "old" timed reminders */
-/*** REMOVED...
-  if (dse == DSEToday &&
-  tim->ttime != NO_TIME &&
-  tim->ttime < SystemTime(0) / 60) return 0;
-  *** ...UNTIL HERE */
-
     /* If "infinite delta" option is chosen, always trigger future reminders */
     if (InfiniteDelta || NextMode) return 1;
 
-    /* If there's a "warn" function, it overrides any deltas */
+    /* If there's a "warn" function, it overrides any deltas except
+     * DeltaOverride*/
     if (t->warn[0] != 0) {
-	if (DeltaOffset) {
+	if (DeltaOverride > 0) {
-	    if (dse <= DSEToday + DeltaOffset) {
+	    if (dse <= DSEToday + DeltaOverride) {
 		return 1;
 	    }
 	}
 	return ShouldTriggerBasedOnWarn(t, dse, err);
     }
 
+    /* Zero delta */
+    if (DeltaOverride < 0) {
+        return dse == DSEToday;
+    }
+
     /* Move back by delta days, if any */
-    if (t->delta != NO_DELTA) {
+    if (DeltaOverride) {
-	if (t->delta < 0)
+        /* A positive DeltaOverride takes precedence over everything */
+        dse = dse - DeltaOverride;
+    } else if (t->delta != NO_DELTA) {
+        if (t->delta < 0)
 	    dse = dse + t->delta;
 	else {
 	    int iter = 0;
@@ -1237,7 +1256,7 @@ int ShouldTriggerReminder(Trigger *t, TimeTrig *tim, int dse, int *err)
     }
 
     /* Should we trigger the reminder? */
-    return (dse <= DSEToday + DeltaOffset);
+    return (dse <= DSEToday);
 }
 
 /***************************************************************/

src/dosubst.c

@@ -46,7 +46,7 @@
 int DoSubst(ParsePtr p, DynamicBuffer *dbuf, Trigger *t, TimeTrig *tt, int dse, int mode)
 {
     int diff = dse - DSEToday;
-    int curtime = SystemTime(0) / 60;
+    int curtime = MinutesPastMidnight(0);
     int err, done;
     int c;
     int d, m, y;
@@ -894,7 +894,7 @@ int DoSubstFromString(char const *source, DynamicBuffer *dbuf,
     int r;
 
     if (dse == NO_DATE) dse=DSEToday;
-    if (tim == NO_TIME) tim=SystemTime(0)/60;
+    if (tim == NO_TIME) tim=MinutesPastMidnight(0);
     CreateParser(source, &tempP);
     tempP.allownested = 0;
     tempTrig.typ = MSG_TYPE;

src/funcs.c

@@ -30,10 +30,6 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-#ifdef HAVE_SYS_FILE_H
-#include <sys/file.h>
-#endif
-
 #include <sys/types.h>
 
 #include <sys/stat.h>
@@ -1425,28 +1421,28 @@ static int FRealtoday(func_info *info)
 static int FNow(func_info *info)
 {
     RetVal.type = TIME_TYPE;
-    RETVAL = (int) ( SystemTime(0) / 60L );
+    RETVAL = MinutesPastMidnight(0);
     return OK;
 }
 
 static int FRealnow(func_info *info)
 {
     RetVal.type = TIME_TYPE;
-    RETVAL = (int) ( SystemTime(1) / 60L );
+    RETVAL = MinutesPastMidnight(1);
     return OK;
 }
 
 static int FCurrent(func_info *info)
 {
     RetVal.type = DATETIME_TYPE;
-    RETVAL = DSEToday * MINUTES_PER_DAY + (SystemTime(0) / 60);
+    RETVAL = DSEToday * MINUTES_PER_DAY + MinutesPastMidnight(0);
     return OK;
 }
 
 static int FRealCurrent(func_info *info)
 {
     RetVal.type = DATETIME_TYPE;
-    RETVAL = RealToday * MINUTES_PER_DAY + (SystemTime(1) / 60);
+    RETVAL = RealToday * MINUTES_PER_DAY + MinutesPastMidnight(1);
     return OK;
 }
 
@@ -2496,7 +2492,7 @@ static int FTimezone(func_info *info)
 
     if (Nargs == 0) {
         dse = DSEToday;
-        now = (SystemTime(0) / 60);
+        now = MinutesPastMidnight(0);
     } else {
         if (!HASDATE(ARG(0))) return E_BAD_TYPE;
         dse = DATEPART(ARG(0));
@@ -3294,6 +3290,8 @@ FSlide(func_info *info)
 {
     int r, omit, d, i, localomit, amt;
     Token tok;
+    int step = 1;
+    int localargs = 2;
 
     if (!HASDATE(ARG(0))) return E_BAD_TYPE;
     ASSERT_TYPE(1, INT_TYPE);
@@ -3303,8 +3301,13 @@ FSlide(func_info *info)
     if (amt > 1000000) return E_2HIGH;
     if (amt < -1000000) return E_2LOW;
 
+    if (Nargs > 2 && ARG(2).type == INT_TYPE) {
+        step = ARGV(2);
+        if (step < 1) return E_2LOW;
+        localargs++;
+    }
     localomit = 0;
-    for (i=2; i<Nargs; i++) {
+    for (i=localargs; i<Nargs; i++) {
 	if (ARG(i).type != STR_TYPE) return E_BAD_TYPE;
 	FindToken(ARG(i).v.str, &tok);
 	if (tok.type != T_WkDay) return E_UNKNOWN_TOKEN;
@@ -3315,14 +3318,14 @@ FSlide(func_info *info)
     if ((WeekdayOmits | localomit) == 0x7F && amt != 0) return E_2MANY_LOCALOMIT;
     if (amt > 0) {
 	while(amt) {
-	    d++;
+	    d += step;
 	    r = IsOmitted(d, localomit, NULL, &omit);
 	    if (r) return r;
 	    if (!omit) amt--;
 	}
     } else {
 	while(amt) {
-	    d--;
+	    d -= step;
 	    if (d < 0) return E_DATE_OVER;
 	    r = IsOmitted(d, localomit, NULL, &omit);
 	    if (r) return r;
@@ -3339,6 +3342,8 @@ FNonomitted(func_info *info)
 {
     int d1, d2, ans, localomit, i;
     int omit, r;
+    int step = 1;
+    int localargs = 2;
     Token tok;
 
     if (!HASDATE(ARG(0)) ||
@@ -3347,10 +3352,20 @@ FNonomitted(func_info *info)
     }
     d1 = DATEPART(ARG(0));
     d2 = DATEPART(ARG(1));
-    if (d2 < d1) return E_2LOW;
+    if (d2 < d1) {
+        i = d1;
+        d1 = d2;
+        d2 = i;
+    }
 
+    /* Check for a "step" argument - it's an INT */
+    if (Nargs > 2 && ARG(2).type == INT_TYPE) {
+        step = ARGV(2);
+        if (step < 1) return E_2LOW;
+        localargs++;
+    }
     localomit = 0;
-    for (i=2; i<Nargs; i++) {
+    for (i=localargs; i<Nargs; i++) {
 	if (ARG(i).type != STR_TYPE) return E_BAD_TYPE;
 	FindToken(ARG(i).v.str, &tok);
 	if (tok.type != T_WkDay) return E_UNKNOWN_TOKEN;
@@ -3359,11 +3374,12 @@ FNonomitted(func_info *info)
 
     ans = 0;
     while (d1 < d2) {
-	r = IsOmitted(d1++, localomit, NULL, &omit);
+	r = IsOmitted(d1, localomit, NULL, &omit);
 	if (r) return r;
 	if (!omit) {
 	    ans++;
 	}
+        d1 += step;
     }
     RetVal.type = INT_TYPE;
     RETVAL = ans;
@@ -3558,6 +3574,8 @@ rows_or_cols(func_info *info, int want_rows)
     struct winsize w;
     int fd = STDOUT_FILENO;
 
+    int opened = 0;
+
     RetVal.type = INT_TYPE;
     if (!isatty(fd)) {
         fd = open("/dev/tty", O_RDONLY);
@@ -3565,6 +3583,7 @@ rows_or_cols(func_info *info, int want_rows)
             RETVAL = -1;
             return OK;
         }
+        opened = 1;
     }
     if (ioctl(fd, TIOCGWINSZ, &w) == 0) {
         if (want_rows) RETVAL = w.ws_row;
@@ -3572,7 +3591,7 @@ rows_or_cols(func_info *info, int want_rows)
     } else {
         RETVAL = -1;
     }
-    if (fd != STDOUT_FILENO) {
+    if (opened) {
         close(fd);
     }
     return OK;
@@ -3741,7 +3760,7 @@ solstice_equinox_for_year(int y, int which)
     j -= 2447892.50000;  /* This is the Julian date of midnight, 1 Jan 1990 UTC */
     int dse = (int) j;
 
-    int min = floor((j - (double) dse) * MINUTES_PER_DAY);
+    int min = (int) floor((j - (double) dse) * MINUTES_PER_DAY);
     int ret;
 
     /* Convert from UTC to local time */
@@ -3789,8 +3808,10 @@ FSoleq(func_info *info)
     }
 
     ret = solstice_equinox_for_year(y, which);
+    if (ret < 0) return E_MKTIME_PROBLEM;
     if (dse != NO_DATE && (ret / MINUTES_PER_DAY) < dse) {
         ret = solstice_equinox_for_year(y+1, which);
+        if (ret < 0) return E_MKTIME_PROBLEM;
     }
     RetVal.type = DATETIME_TYPE;
     RETVAL = ret;

src/globals.h

@@ -50,6 +50,7 @@ EXTERN  int	LineNo;
 EXTERN  int     FreshLine;
 EXTERN  uid_t   TrustedUsers[MAX_TRUSTED_USERS];
 
+EXTERN  INIT(   int     MaxLateMinutes, 0);
 EXTERN  INIT(   int     NumTrustedUsers, 0);
 EXTERN  INIT(   char    const *MsgCommand, NULL);
 EXTERN  INIT(   char    const *QueuedMsgCommand, NULL);
@@ -70,7 +71,7 @@ EXTERN  INIT(	int 	Hush, 0);
 EXTERN  INIT(	int 	NextMode, 0);
 EXTERN  INIT(	int 	InfiniteDelta, 0);
 EXTERN  INIT(   int     DefaultTDelta, 0);
-EXTERN  INIT(   int     DeltaOffset, 0);
+EXTERN  INIT(   int     DeltaOverride, 0);
 EXTERN  INIT(   int     RunDisabled, 0);
 EXTERN  INIT(   int     IgnoreOnce, 0);
 EXTERN  INIT(   int     SortByTime, 0);
@@ -79,6 +80,7 @@ EXTERN	INIT(	int	SortByPrio, 0);
 EXTERN  INIT(   int     UntimedBeforeTimed, 0);
 EXTERN	INIT(	int	DefaultPrio, NO_PRIORITY);
 EXTERN  INIT(   long    SysTime, -1L);
+EXTERN  INIT(   int     ParseUntriggered, 1);
 
 EXTERN	char	const *InitialFile;
 EXTERN	int	FileAccessDate;

src/init.c

@@ -25,10 +25,11 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
-
+#include <poll.h>
 #include <pwd.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
+#include <termios.h>
 
 #ifdef HAVE_INITGROUPS
 #include <grp.h>
@@ -40,6 +41,14 @@
 #include "expr.h"
 #include "err.h"
 
+static int should_guess_terminal_background = 1;
+
+static void guess_terminal_background(int *r, int *g, int *b);
+static int tty_init(int fd);
+static void tty_raw(int fd);
+static void tty_reset(int fd);
+
+static void ProcessLongOption(char const *arg);
 /***************************************************************
  *
  *  Command line options recognized:
@@ -167,6 +176,7 @@ void InitRemind(int argc, char const *argv[])
     int x;
     int dse;
     int ttyfd;
+    int r, g, b;
 
     dse = NO_DATE;
 
@@ -219,7 +229,7 @@ void InitRemind(int argc, char const *argv[])
 	}
     } else {
         fprintf(stderr, "Invoked with a NULL argv[0]; bailing because that's just plain bizarre.\n");
-        exit(1);
+        exit(EXIT_FAILURE);
     }
 
     /* Parse the command-line options */
@@ -243,6 +253,11 @@ void InitRemind(int argc, char const *argv[])
                 while(*arg) arg++;
                 break;
 
+            case '-':
+                ProcessLongOption(arg);
+                while(*arg) arg++;
+                break;
+
 	    case '@':
 		UseVTColors = 1;
 		if (*arg) {
@@ -259,16 +274,24 @@ void InitRemind(int argc, char const *argv[])
 		if (*arg == ',') {
 		    arg++;
                     if (*arg != ',') {
-                        PARSENUM(x, arg);
+                        if (*arg == 't') {
-                        if (x == 0) {
+                            arg++;
-                            TerminalBackground = TERMINAL_BACKGROUND_DARK;
+                            should_guess_terminal_background = 2;
-                        } else if (x == 1) {
-                            TerminalBackground = TERMINAL_BACKGROUND_LIGHT;
-                        } else if (x == 2) {
-                            TerminalBackground = TERMINAL_BACKGROUND_UNKNOWN;
                         } else {
-                            fprintf(ErrFp, "%s: -@n,m,b: m must be 0, 1 or 2 (assuming 2)\n",
+                            PARSENUM(x, arg);
-                                    argv[0]);
+                            if (x == 0) {
+                                should_guess_terminal_background = 0;
+                                TerminalBackground = TERMINAL_BACKGROUND_DARK;
+                            } else if (x == 1) {
+                                should_guess_terminal_background = 0;
+                                TerminalBackground = TERMINAL_BACKGROUND_LIGHT;
+                            } else if (x == 2) {
+                                should_guess_terminal_background = 0;
+                                TerminalBackground = TERMINAL_BACKGROUND_UNKNOWN;
+                            } else {
+                                fprintf(ErrFp, "%s: -@n,m,b: m must be t, 0, 1 or 2 (assuming 2)\n",
+                                        argv[0]);
+                            }
                         }
                     }
 		}
@@ -341,10 +364,15 @@ void InitRemind(int argc, char const *argv[])
                 } else if (!*arg) {
 		    InfiniteDelta = 1;
 		} else {
-		    PARSENUM(DeltaOffset, arg);
+                    if (*arg == 'z') {
-		    if (DeltaOffset < 0) {
+                        DeltaOverride = -1;
-			DeltaOffset = 0;
+                        arg++;
-		    }
+                    } else {
+                        PARSENUM(DeltaOverride, arg);
+                        if (DeltaOverride < 0) {
+                            DeltaOverride = 0;
+                        }
+                    }
 		}
 		break;
 	    case 'e':
@@ -532,7 +560,7 @@ void InitRemind(int argc, char const *argv[])
                         arg++;
                         /* -wt means get width from /dev/tty */
                         ttyfd = open("/dev/tty", O_RDONLY);
-                        if (!ttyfd) {
+                        if (ttyfd < 0) {
                             fprintf(stderr, "%s: `-wt': Cannot open /dev/tty: %s\n",
                                     argv[0], strerror(errno));
                         } else {
@@ -543,7 +571,12 @@ void InitRemind(int argc, char const *argv[])
                         PARSENUM(CalWidth, arg);
                         if (CalWidth != 0 && CalWidth < 71) CalWidth = 71;
                         if (CalWidth == 0) {
-                            CalWidth = -1;
+                            /* Cal width of 0 means obtain from stdout */
+                            if (isatty(STDOUT_FILENO)) {
+                                InitCalWidthAndFormWidth(STDOUT_FILENO);
+                            } else {
+                                CalWidth = 80;
+                            }
                         }
                         FormWidth = CalWidth - 8;
                         if (FormWidth < 20) FormWidth = 20;
@@ -616,6 +649,17 @@ void InitRemind(int argc, char const *argv[])
 	}
     }
 
+    if (should_guess_terminal_background) {
+        guess_terminal_background(&r, &g, &b);
+        if (r >= 0 && g >= 0 && b >= 0) {
+            if (r+g+b <= 85*3 && r <= 128 && g <= 128 && b <= 128) {
+                TerminalBackground = TERMINAL_BACKGROUND_DARK;
+            } else {
+                TerminalBackground = TERMINAL_BACKGROUND_LIGHT;
+            }
+        }
+    }
+
     /* Get the filename. */
     if (!InvokedAsRem) {
 	if (i >= argc) {
@@ -721,7 +765,7 @@ void InitRemind(int argc, char const *argv[])
 
 /* Figure out the offset from UTC */
     if (CalculateUTC)
-	(void) CalcMinsFromUTC(DSEToday, SystemTime(0)/60,
+	(void) CalcMinsFromUTC(DSEToday, MinutesPastMidnight(0),
 			       &MinsFromUTC, NULL);
 }
 
@@ -953,3 +997,116 @@ AddTrustedUser(char const *username)
     NumTrustedUsers++;
 }
 
+static void
+ProcessLongOption(char const *arg)
+{
+    if (!strcmp(arg, "version")) {
+        printf("%s\n", VERSION);
+        exit(EXIT_SUCCESS);
+    }
+    fprintf(ErrFp, "%s: Unknown long option --%s\n", ArgV[0], arg);
+}
+
+static void
+guess_terminal_background(int *r, int *g, int *b)
+{
+    int ttyfd;
+    struct pollfd p;
+    int rr, gg, bb;
+    char buf[128];
+    int n;
+
+    *r = -1;
+    *g = -1;
+    *b = -1;
+
+    /* Don't guess if stdout not a terminal unless asked to by @,t */
+    if (should_guess_terminal_background != 2) {
+        if (!isatty(STDOUT_FILENO)) {
+            return;
+        }
+    }
+
+    ttyfd = open("/dev/tty", O_RDWR);
+    if (ttyfd < 0) {
+        return;
+    }
+
+    if (!isatty(ttyfd)) {
+        /* Not a TTY: Can't guess the color */
+        close(ttyfd);
+        return;
+    }
+
+    if (!tty_init(ttyfd)) {
+        return;
+    }
+    tty_raw(ttyfd);
+    write(ttyfd, "\033]11;?\033\\", 8);
+
+    /* Wait up to 0.1s for terminal to respond */
+    p.fd = ttyfd;
+    p.events = POLLIN;
+    if (poll(&p, 1, 100) < 0) {
+        tty_reset(ttyfd);
+        close(ttyfd);
+        return;
+    }
+    if (!(p.revents & POLLIN)) {
+        tty_reset(ttyfd);
+        close(ttyfd);
+        return;
+    }
+    n = read(ttyfd, buf, 127);
+    if (n <= 0) {
+        tty_reset(ttyfd);
+        close(ttyfd);
+        return;
+    }
+    tty_reset(ttyfd);
+    buf[n+1] = 0;
+    if (n < 25) {
+        /* Too short */
+        return;
+    }
+    if (sscanf(buf+5, "rgb:%x/%x/%x", &rr, &gg, &bb) != 3) {
+        /* Couldn't scan color codes */
+        return;
+    }
+    *r = (rr >> 8) & 255;
+    *g = (gg >> 8) & 255;
+    *b = (bb >> 8) & 255;
+}
+
+static struct termios orig_termios;
+
+static int
+tty_init(int fd)
+{
+    if (tcgetattr(fd, &orig_termios) < 0) {
+        return 0;
+    }
+    return 1;
+}
+
+static void
+tty_raw(int fd)
+{
+    struct termios raw;
+
+    raw = orig_termios;
+
+    raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
+    raw.c_oflag &= ~(OPOST);
+    raw.c_cflag |= (CS8);
+    raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
+
+    /* put terminal in raw mode after flushing */
+    tcsetattr(fd,TCSAFLUSH,&raw);
+}
+
+static void
+tty_reset(int fd)
+{
+    tcsetattr(fd, TCSAFLUSH, &orig_termios);
+}

src/langs/italian.h

@@ -17,11 +17,11 @@
 
 /* Day names */
 #define L_SUNDAY "Domenica"
-#define L_MONDAY "Lunedí"
+#define L_MONDAY "Lunedì"
-#define L_TUESDAY "Martedí"
+#define L_TUESDAY "Martedì"
-#define L_WEDNESDAY "Mercoledí"
+#define L_WEDNESDAY "Mercoledì"
-#define L_THURSDAY "Giovedí"
+#define L_THURSDAY "Giovedì"
-#define L_FRIDAY "Venerdí"
+#define L_FRIDAY "Venerdì"
 #define L_SATURDAY "Sabato"
 
 /* Month names */
@@ -68,7 +68,7 @@
 #define L_AT "alle"
 #define L_MINUTE "minut"
 #define L_HOUR "or"
-#define L_IS "é"
+#define L_IS "è"
 #define L_WAS "era"
 #define L_AND "e"
 /* What to add to make "hour" plural */

src/main.c

@@ -26,16 +26,10 @@
 #endif
 
 #include <ctype.h>
-#ifdef TIME_WITH_SYS_TIME
+#if defined(HAVE_SYS_TIME_H)
-#include <time.h>
 #include <sys/time.h>
-#else
+#endif
-#if defined(HAVE_SYS_TIME_H) || defined (TIME_WITH_SYS_TIME)
-#include <sys/time.h>
-#else
 #include <time.h>
-#endif
-#endif
 
 #include <sys/types.h>
 #ifdef REM_USE_WCHAR
@@ -187,14 +181,14 @@ static void DoReminders(void)
 
     if (FileAccessDate < 0) {
 	fprintf(ErrFp, "%s: `%s': %s.\n", ErrMsg[E_CANTACCESS], InitialFile, strerror(errno));
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
     r=IncludeFile(InitialFile);
     if (r) {
 	fprintf(ErrFp, "%s %s: %s\n", ErrMsg[E_ERR_READING],
 		InitialFile, ErrMsg[r]);
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
     while(1) {
@@ -202,7 +196,7 @@ static void DoReminders(void)
 	if (r == E_EOF) return;
 	if (r) {
 	    Eprint("%s: %s", ErrMsg[E_ERR_READING], ErrMsg[r]);
-	    exit(1);
+	    exit(EXIT_FAILURE);
 	}
 	s = FindInitialToken(&tok, CurLine);
 
@@ -755,17 +749,30 @@ int PushToken(char const *tok, ParsePtr p)
 /***************************************************************/
 long SystemTime(int realtime)
 {
-    time_t tloc;
+    time_t now;
     struct tm *t;
 
     if (!realtime && (SysTime != -1L)) return SysTime;
 
-    (void) time(&tloc);
+    now = time(NULL);
-    t = localtime(&tloc);
+    t = localtime(&now);
     return (long) t->tm_hour * 3600L + (long) t->tm_min * 60L +
 	(long) t->tm_sec;
 }
 
+/***************************************************************/
+/*                                                             */
+/*  MinutesPastMidnight                                        */
+/*                                                             */
+/*  Return the system time in minutes past midnight            */
+/*                                                             */
+/***************************************************************/
+int MinutesPastMidnight(int realtime)
+{
+    return (int) (SystemTime(realtime) / 60);
+}
+
+
 /***************************************************************/
 /*                                                             */
 /*  SystemDate                                                 */
@@ -777,11 +784,11 @@ long SystemTime(int realtime)
 /***************************************************************/
 int SystemDate(int *y, int *m, int *d)
 {
-    time_t tloc;
+    time_t now;
     struct tm *t;
 
-    (void) time(&tloc);
+    now = time(NULL);
-    t = localtime(&tloc);
+    t = localtime(&now);
 
     *d = t->tm_mday;
     *m = t->tm_mon;

src/omit.c

@@ -377,8 +377,12 @@ int DoOmit(ParsePtr p)
 	    break;
 
 	default:
-	    Eprint("%s: `%s' (OMIT)", ErrMsg[E_UNKNOWN_TOKEN],
+            if (tok.type == T_Until) {
-		   DBufValue(&buf));
+                Eprint("OMIT: UNTIL not allowed; did you mean THROUGH?");
+            } else {
+                Eprint("%s: `%s' (OMIT)", ErrMsg[E_UNKNOWN_TOKEN],
+                       DBufValue(&buf));
+            }
 	    DBufFree(&buf);
 	    return E_UNKNOWN_TOKEN;
 	}

src/protos.h

@@ -72,6 +72,7 @@ void CreateParser (char const *s, ParsePtr p);
 void DestroyParser (ParsePtr p);
 int PushToken (char const *tok, ParsePtr p);
 long SystemTime (int realtime);
+int MinutesPastMidnight (int realtime);
 int SystemDate (int *y, int *m, int *d);
 int DoIf (ParsePtr p);
 int DoElse (ParsePtr p);

src/queue.c

@@ -27,6 +27,7 @@
 #include <sys/select.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <fcntl.h>
 
 #include "types.h"
 #include "globals.h"
@@ -79,7 +80,7 @@ int QueueReminder(ParsePtr p, Trigger *trig,
         trig->noqueue ||
 	tim->ttime == NO_TIME ||
 	trig->typ == CAL_TYPE ||
-	tim->ttime < SystemTime(0) / 60 ||
+	tim->ttime < MinutesPastMidnight(0) ||
 	((trig->typ == RUN_TYPE) && RunDisabled)) return OK;
 
     qelem = NEW(QueuedRem);
@@ -110,6 +111,36 @@ int QueueReminder(ParsePtr p, Trigger *trig,
     return OK;
 }
 
+static void
+maybe_close(int fd)
+{
+    int new_fd;
+    /* Don't close descriptors connected to a TTY, except for stdin */
+    if (fd && isatty(fd)) return;
+
+    (void) close(fd);
+    if (fd != STDIN_FILENO) {
+        new_fd = open("/dev/null", O_WRONLY);
+    } else {
+        new_fd = open("/dev/null", O_RDONLY);
+    }
+
+    /* If the open failed... well... not much we can do */
+    if (new_fd < 0) return;
+
+    /* If we got back the same fd as what we just closed, aces! */
+    if (fd == new_fd) return;
+
+    (void) dup2(new_fd, fd);
+    (void) close(new_fd);
+}
+
+void
+SigContHandler(int d)
+{
+    UNUSED(d);
+}
+
 /***************************************************************/
 /*                                                             */
 /*  HandleQueuedReminders                                      */
@@ -143,9 +174,10 @@ void HandleQueuedReminders(void)
      * processed correctly are RUN commands, provided they mail
      * the result back or use their own resource (as a window).
      */
-    if (!DontFork && (!isatty(1) || !isatty(2))) {
+    if (!DontFork) {
-	close(1);
+        maybe_close(STDIN_FILENO);
-	close(2);
+        maybe_close(STDOUT_FILENO);
+        maybe_close(STDERR_FILENO);
     }
 
     /* If we're a daemon, get the mod time of initial file */
@@ -160,7 +192,7 @@ void HandleQueuedReminders(void)
     /* Initialize the queue - initialize all the entries time of issue */
 
     while (q) {
-	q->tt.nexttime = (int) (SystemTime(1)/60 - 1);
+	q->tt.nexttime = MinutesPastMidnight(1) - 1;
 	q->tt.nexttime = CalculateNextTime(q);
 	q = q->next;
     }
@@ -169,6 +201,8 @@ void HandleQueuedReminders(void)
         sa.sa_handler = SigIntHandler;
         sa.sa_flags = 0;
         (void) sigaction(SIGINT, &sa, NULL);
+        sa.sa_handler = SigContHandler;
+        (void) sigaction(SIGCONT, &sa, NULL);
     }
 
     /* Sit in a loop, issuing reminders when necessary */
@@ -222,7 +256,7 @@ void HandleQueuedReminders(void)
 	    if (!Daemon) {
 		int y, m, d;
 		if (RealToday != SystemDate(&y, &m, &d)) {
-			exit(0);
+			exit(EXIT_SUCCESS);
 		}
 	    }
 
@@ -244,10 +278,12 @@ void HandleQueuedReminders(void)
 	/* Do NOT trigger the reminder if tt.nexttime is more than a
 	   minute in the past.  This can happen if the clock is
 	   changed or a laptop awakes from hibernation.
-	   However, DO trigger if tt.nexttime == tt.ttime so all
+	   However, DO trigger if tt.nexttime == tt.ttime and we're
+           within MaxLateTrigger minutes so all
 	   queued reminders are triggered at least once. */
 	if ((SystemTime(1) - (q->tt.nexttime * 60) <= 60) ||
-	    (q->tt.nexttime == q->tt.ttime)) {
+	    (q->tt.nexttime == q->tt.ttime &&
+             (MaxLateMinutes == 0 || SystemTime(1) - (q->tt.nexttime * 60) <= 60 * MaxLateMinutes))) {
 	    /* Trigger the reminder */
 	    CreateParser(q->text, &p);
 	    trig.typ = q->typ;
@@ -256,7 +292,7 @@ void HandleQueuedReminders(void)
 	    if (Daemon < 0) {
 		printf("NOTE reminder %s",
 		       SimpleTime(q->tt.ttime));
-		printf("%s", SimpleTime(SystemTime(1)/60));
+		printf("%s", SimpleTime(MinutesPastMidnight(1)));
 		if (!*DBufValue(&q->tags)) {
 		    printf("*\n");
 		} else {
@@ -277,8 +313,17 @@ void HandleQueuedReminders(void)
 
 	/* Calculate the next trigger time */
 	q->tt.nexttime = CalculateNextTime(q);
+
+        /* If trigger time is way in the past because computer has been
+           suspended or hibernated, remove from queue */
+        if (q->tt.nexttime != NO_TIME) {
+            if (q->tt.ttime < MinutesPastMidnight(1) - MaxLateMinutes &&
+                q->tt.nexttime < MinutesPastMidnight(1) - MaxLateMinutes) {
+                q->tt.nexttime = NO_TIME;
+            }
+        }
     }
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
 
 
@@ -566,16 +611,16 @@ static void DaemonWait(struct timeval *sleep_tv)
 
     /* If EOF on stdin, exit */
     if (feof(stdin)) {
-	exit(0);
+	exit(EXIT_SUCCESS);
     }
 
     /* Read a line from stdin and interpret it */
     if (!fgets(cmdLine, sizeof(cmdLine), stdin)) {
-	exit(0);
+	exit(EXIT_SUCCESS);
     }
 
     if (!strcmp(cmdLine, "EXIT\n")) {
-	exit(0);
+	exit(EXIT_SUCCESS);
     } else if (!strcmp(cmdLine, "STATUS\n")) {
 	int nqueued = 0;
 	QueuedRem *q = QueueHead;

src/rem2ps.c

@@ -186,19 +186,19 @@ JSONToCalEntry(DynamicBuffer *buf)
     val = json_parse(DBufValue(buf), DBufLen(buf));
     if (!val) {
 	fprintf(stderr, "Unable to parse JSON line `%s'\n", DBufValue(buf));
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
     if (val->type != json_object) {
 	fprintf(stderr, "Expecting JSON object; found `%s'\n",
 		DBufValue(buf));
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
     c = NEW(CalEntry);
     if (!c) {
 	fprintf(stderr, "malloc failed - aborting.\n");
-	exit(1);
+	exit(EXIT_FAILURE);
     }
     c->next = NULL;
     c->special = SPECIAL_NORMAL;
@@ -221,7 +221,7 @@ JSONToCalEntry(DynamicBuffer *buf)
 		c->entry = malloc(strlen(s)+1);
 		if (!c->entry) {
 		    fprintf(stderr, "malloc failed - aborting.\n");
-		    exit(1);
+		    exit(EXIT_FAILURE);
 		}
 		strcpy(c->entry, s);
 		got_body = 1;
@@ -253,7 +253,7 @@ JSONToCalEntry(DynamicBuffer *buf)
 
     if (!got_body || !got_date) {
 	fprintf(stderr, "Could not parse line `%s'\n", DBufValue(buf));
-	exit(1);
+	exit(EXIT_FAILURE);
     }
     return c;
 }
@@ -272,7 +272,7 @@ TextToCalEntry(DynamicBuffer *buf)
     CalEntry *c = NEW(CalEntry);
     if (!c) {
 	fprintf(stderr, "malloc failed - aborting.\n");
-	exit(1);
+	exit(EXIT_FAILURE);
     }
     c->next = NULL;
     c->special = SPECIAL_NORMAL;
@@ -296,7 +296,7 @@ TextToCalEntry(DynamicBuffer *buf)
     c->entry = malloc(strlen(startOfBody) + 1);
     if (!c->entry) {
 	fprintf(stderr, "malloc failed - aborting.\n");
-	exit(1);
+	exit(EXIT_FAILURE);
     }
     strcpy(c->entry, startOfBody);
 
@@ -343,7 +343,7 @@ int main(int argc, char *argv[])
 	DBufGets(&buf, stdin);
 	if (first_line && (!strcmp(DBufValue(&buf), "["))) {
 	    fprintf(stderr, "Rem2PS: It appears that you have invoked Remind with the -ppp option.\n        Please use either -p or -pp, but not -ppp.\n");
-	    exit(1);
+	    exit(EXIT_FAILURE);
 	}
 	first_line = 0;
 	if (!strcmp(DBufValue(&buf), PSBEGIN) ||
@@ -361,7 +361,7 @@ int main(int argc, char *argv[])
     if (!validfile) {
 	fprintf(stderr, "Rem2PS: Couldn't find any calendar data - are you\n");
 	fprintf(stderr, "        sure you fed me input produced by remind -p ...?\n");
-	exit(1);
+	exit(EXIT_FAILURE);
     }
     printf("%%%%Trailer\n");
     printf("%%%%Pages: %d\n", validfile);
@@ -486,7 +486,7 @@ void DoPsCal(void)
     while(1) {
 	if (feof(stdin)) {
 	    fprintf(stderr, "Input from REMIND is corrupt!\n");
-	    exit(1);
+	    exit(EXIT_FAILURE);
 	}
 
 	DBufGets(&buf, stdin);
@@ -952,7 +952,7 @@ void Init(int argc, char *argv[])
 		fprintf(stderr, "   WxHin  Specify size in inches (W and H are decimal numbers)\n");
 		fprintf(stderr, "   WxHcm  Specify size in centimetres (W and H are decimal numbers)\n");
 		fprintf(stderr, "Default media type is %s\n", DefaultPage[0].name);
-		exit(1);
+		exit(EXIT_FAILURE);
 	    }
 	    break;
 
@@ -1033,7 +1033,7 @@ void Usage(char const *s)
     fprintf(stderr, "-e            Make calendar fill entire page\n");
     fprintf(stderr, "-x            Put day numbers on left instead of right\n");
     fprintf(stderr, "-o[lrtb] marg Specify left, right, top and bottom margins\n");
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 /***************************************************************/

src/var.c

@@ -792,7 +792,7 @@ static SysVar SysVarArr[] = {
     {"DefaultColor",   1,  SPECIAL_TYPE, default_color_func,   0,      0 },
     {"DefaultPrio",    1,  INT_TYPE,     &DefaultPrio,         0,      9999 },
     {"DefaultTDelta",  1,  INT_TYPE,     &DefaultTDelta,       0,      1440 },
-    {"DeltaOffset",    0,  INT_TYPE,     &DeltaOffset,         0,      0 },
+    {"DeltaOverride",  0,  INT_TYPE,     &DeltaOverride,         0,      0 },
     {"DontFork",       0,  INT_TYPE,     &DontFork,            0,      0 },
     {"DontQueue",      0,  INT_TYPE,     &DontQueue,           0,      0 },
     {"DontTrigAts",    0,  INT_TYPE,     &DontIssueAts,        0,      0 },
@@ -825,6 +825,7 @@ static SysVar SysVarArr[] = {
     {"LongMin",        1,  SPECIAL_TYPE, longmin_func,         0,      0 },
     {"LongSec",        1,  SPECIAL_TYPE, longsec_func,         0,      0 },
     {"March",          1,  STR_TYPE,     &DynamicMonthName[2], 0,      0 },
+    {"MaxLateMinutes", 1,  INT_TYPE,     &MaxLateMinutes,      0,      1440 },
     {"MaxSatIter",     1,  INT_TYPE,     &MaxSatIter,          10,     ANY },
     {"MaxStringLen",   1,  INT_TYPE,     &MaxStringLen,        -1,     ANY },
     {"May",            1,  STR_TYPE,     &DynamicMonthName[4], 0,      0 },
@@ -839,6 +840,7 @@ static SysVar SysVarArr[] = {
     {"NumTrig",        0,  INT_TYPE,     &NumTriggered,        0,      0 },
     {"October",        1,  STR_TYPE,     &DynamicMonthName[9], 0,      0 },
     {"On",             1,  STR_TYPE,     &DynamicOn,           0,      0 },
+    {"ParseUntriggered", 1, INT_TYPE,    &ParseUntriggered,    0,      1 },
     {"Pm",             1,  STR_TYPE,     &DynamicPm,           0,      0 },
     {"PrefixLineNo",   0,  INT_TYPE,     &DoPrefixLineNo,      0,      0 },
     {"PSCal",          0,  INT_TYPE,     &PsCal,               0,      0 },

tests/test-rem

@@ -408,6 +408,18 @@ TZ=Europe/Berlin ../src/remind -dxe ../tests/tz.rem >> ../tests/test.out 2>&1
 # Test that banner is printed on every iteration
 echo "MSG Should be three banners." | ../src/remind - 2022-10-20 '*3' >> ../tests/test.out 2>&1
 
+# Test the -tn option
+echo "REM May 23 +10 MSG Orange %b" | ../src/remind - 2023-05-21 >> ../tests/test.out 2>&1
+echo "REM May 23 +10 MSG Quux %b" | ../src/remind -t1 - 2023-05-21 >> ../tests/test.out 2>&1
+echo "REM May 23 +10 MSG Cabbage %b" | ../src/remind -t2 - 2023-05-21 >> ../tests/test.out 2>&1
+echo "REM May 23 MSG Banana %b" | ../src/remind - 2023-05-21 >> ../tests/test.out 2>&1
+echo "REM May 23 MSG Carrot %b" | ../src/remind -t1 - 2023-05-21 >> ../tests/test.out 2>&1
+echo "REM May 23 MSG Apple %b" | ../src/remind -t2 - 2023-05-21 >> ../tests/test.out 2>&1
+
+# Test the -tz option
+echo "REM May 22 +10 MSG Foo %b" | ../src/remind - 2023-05-21 >> ../tests/test.out 2>&1
+echo "REM May 22 +10 MSG Bar %b" | ../src/remind -tz - 2023-05-21 >> ../tests/test.out 2>&1
+
 # World-writable file
 rm -rf include_dir/ww
 touch include_dir/ww
@@ -425,6 +437,9 @@ rm -rf include_dir/ww
 # This segfaulted in 04.02.03
 ../src/remind -h '-imsgprefix(x)="foo"' /dev/null >> ../tests/test.out 2>&1
 
+# Test --version long option
+../src/remind --version >> ../tests/test.out 2>&1
+
 # Remove references to SysInclude, which is build-specific
 grep -F -v '$SysInclude' < ../tests/test.out > ../tests/test.out.1 && mv -f ../tests/test.out.1 ../tests/test.out
 cmp -s ../tests/test.out ../tests/test.cmp

tests/test.rem

@@ -482,7 +482,7 @@ msg [$December]%
 msg [$DefaultColor]%
 msg [$DefaultPrio]%
 msg [$DefaultTDelta]%
-msg [$DeltaOffset]%
+msg [$DeltaOverride]%
 msg [$DontFork]%
 msg [$DontQueue]%
 msg [$DontTrigAts]%
@@ -881,6 +881,12 @@ set a htmlstriptags("This is <unclosed whut?")
 set a htmlstriptags("this is > whut <b>foo</b>")
 set a htmlstriptags("<img src=\"foo\">")
 
+# $ParseUntriggered
+REM 2 Jan 1990 MSG ["bad_expr" * 2]
+SET $ParseUntriggered 0
+REM 2 Jan 1990 MSG ["bad_expr" * 2]
+SET $ParseUntriggered 1
+
 # Don't want Remind to queue reminders
 EXIT
 

tests/test2.rem

@@ -26,6 +26,25 @@ REM 12 AUG SPECIAL MOON 0
 # Test nonomitted
 REM MSG [nonomitted('2007-08-01', today())] NonOmit-1
 REM MSG [nonomitted('2007-08-01', today(), "Sat", "Sun")] NonOmit-2
+REM MSG [nonomitted('2007-08-01', '2007-08-30', 7)]
+REM MSG [nonomitted('2007-08-01', '2007-08-29', 7)]
+REM MSG [nonomitted('2007-08-28', '2007-08-01', 7)]
+
+PUSH-OMIT-CONTEXT
+OMIT 2007-08-15
+REM MSG [nonomitted('2007-08-01', '2007-08-30', 7)]
+REM MSG [nonomitted('2007-08-01', '2007-08-29', 7)]
+REM MSG [nonomitted('2007-08-01', '2007-08-28', 7)]
+POP-OMIT-CONTEXT
+
+# Test slide
+REM MSG [slide('2007-08-03', 4)]
+REM MSG [slide('2007-08-03', 4, 7)]
+
+PUSH-OMIT-CONTEXT
+OMIT 2007-08-17
+REM MSG [slide('2007-08-03', 4, 7)]
+POP-OMIT-CONTEXT
 
 # Test SPECIAL COLOR with an AT clause
 REM 20 AUG AT 13:45 SPECIAL COLOR 6 7 8 Mooo!