One more release note

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

configure

@@ -1511,6 +1511,39 @@ fi
 
 } # ac_fn_c_try_link
 
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$3=yes"
+else $as_nop
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
 # ac_fn_c_try_run LINENO
 # ----------------------
 # Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
@@ -1743,39 +1776,6 @@ rm -f conftest.val
 
 } # ac_fn_c_compute_int
 
-# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-printf %s "checking for $2... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  eval "$3=yes"
-else $as_nop
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_header_compile
-
 # ac_fn_c_check_func LINENO FUNC VAR
 # ----------------------------------
 # Tests whether FUNC exists, setting the cache variable VAR accordingly
@@ -2449,8 +2449,8 @@ as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
 as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
 as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
 as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
-as_fn_append ac_header_c_list " utime.h utime_h HAVE_UTIME_H"
 as_fn_append ac_header_c_list " sys/time.h sys_time_h HAVE_SYS_TIME_H"
+as_fn_append ac_header_c_list " utime.h utime_h HAVE_UTIME_H"
 
 # Auxiliary files required by this configure script.
 ac_aux_files="install-sh"
@@ -3872,7 +3872,6 @@ then :
 
 fi
 
-
 ac_header= ac_cache=
 for ac_item in $ac_header_c_list
 do
@@ -3902,6 +3901,9 @@ then :
 printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
+
+
+
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
@@ -3968,6 +3970,39 @@ printf "%s\n" "$ac_cv_sizeof_unsigned_long" >&6; }
 printf "%s\n" "#define SIZEOF_UNSIGNED_LONG $ac_cv_sizeof_unsigned_long" >>confdefs.h
 
 
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of time_t" >&5
+printf %s "checking size of time_t... " >&6; }
+if test ${ac_cv_sizeof_time_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (time_t))" "ac_cv_sizeof_time_t"        "$ac_includes_default"
+then :
+
+else $as_nop
+  if test "$ac_cv_type_time_t" = yes; then
+     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (time_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_time_t=0
+   fi
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_time_t" >&5
+printf "%s\n" "$ac_cv_sizeof_time_t" >&6; }
+
+
+
+printf "%s\n" "#define SIZEOF_TIME_T $ac_cv_sizeof_time_t" >>confdefs.h
+
+
 
 ac_fn_c_check_header_compile "$LINENO" "sys/types.h" "ac_cv_header_sys_types_h" "$ac_includes_default"
 if test "x$ac_cv_header_sys_types_h" = xyes
@@ -4093,23 +4128,20 @@ printf "%s\n" "#define HAVE_UTIME_NULL 1" >>confdefs.h
 fi
 rm -f conftest.data
 
-
-
-
 if test "$GCC" = yes; then
 	CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes"
         # Check for link-time optimization support
         f=-flto=auto
         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $f" >&5
 printf %s "checking whether $CC supports $f... " >&6; }
-        if $CC -E $f /dev/null > /dev/null 2>&1 ; then
+        if $CC -Werror -E $f - < /dev/null > /dev/null 2>&1 ; then
             { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
             CFLAGS="$CFLAGS $f"
             f=-ffat-lto-objects
             { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $f" >&5
 printf %s "checking whether $CC supports $f... " >&6; }
-            if $CC -E $f /dev/null > /dev/null 2>&1 ; then
+            if $CC -Werror -E $f - < /dev/null > /dev/null 2>&1 ; then
                 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
                 CFLAGS="$CFLAGS $f"
@@ -4123,6 +4155,12 @@ printf "%s\n" "no" >&6; }
         fi
 fi
 
+if test "$ac_cv_sizeof_time_t" = "4" ; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: time_t is 32-bits on this system; attempting to use 64-bit time_t" >&5
+printf "%s\n" "$as_me: time_t is 32-bits on this system; attempting to use 64-bit time_t" >&6;}
+    CFLAGS="$CFLAGS -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64"
+fi
+
 if test "$ac_cv_perlartifacts" = "yes" ; then
     PERLARTIFACTS=
 else
@@ -4174,7 +4212,8 @@ then :
 
 fi
 
-VERSION=04.02.06
+
+VERSION=04.02.08
 
 
 

configure.in

@@ -30,10 +30,12 @@ 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 glob.h wctype.h locale.h langinfo.h)
@@ -43,19 +45,17 @@ AC_STRUCT_TM
 
 dnl Checks for library functions.
 AC_FUNC_UTIME_NULL
-AC_CHECK_HEADERS_ONCE([sys/time.h])
-
 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 $f"
             else
@@ -66,6 +66,12 @@ if test "$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 "$ac_cv_perlartifacts" = "yes" ; then
     PERLARTIFACTS=
 else
@@ -81,7 +87,8 @@ if test "$?" != 0 ; then
     exit 1
 fi
 AC_CHECK_FUNCS(setenv unsetenv glob mbstowcs setlocale initgroups)
-VERSION=04.02.06
+
+VERSION=04.02.08
 AC_SUBST(VERSION)
 AC_SUBST(PERL)
 AC_SUBST(PERLARTIFACTS)

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 +1,63 @@
 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

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 %
 

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
@@ -62,7 +66,7 @@ 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.  This \fIalso\fR causes
 \fBRemind\fR to include text outside %"...%" sequences that would
-otherwise be removed (though the actual %" markers themseves are removed.)
+otherwise be removed (though the actual %" markers themselves are removed.)
 .TP
 .B 'l'
 causes \fBRemind\fR to use VT100 line-drawing characters to draw
@@ -105,11 +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
-is supplied, or it is supplied as \fIm\fR=2, then \fBRemind\fR does
-not perform any adjustments, and some reminders may be hard or
-impossible to see if the color is too close to the terminal background
-color.
+and it will darken bright colors to make them visible.  If \fIm\fR is
+specified as 2, then \fBRemind\fR does not perform any adjustments,
+and some reminders may be hard or impossible to see if the color is
+too close to the terminal background color.  If you supply the letter
+\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
@@ -225,7 +236,7 @@ regardless of the \fIdelta\fR supplied for each reminder.
 .B \-t\fR\fIn\fR
 If you supply a number \fIn\fR after the \fB\-t\fR option, then
 \fBRemind\fR pretends that echo \fBREM\fR command has a delta
-of \+\+\fIn\fR, regardles of any existing delta.
+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
@@ -610,6 +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
@@ -1790,7 +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
@@ -2398,6 +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
@@ -2464,7 +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 $IntMax (read-only)
 The largest representable \fBINT\fR.  On a machine with 32-bit signed integers
@@ -2541,6 +2562,24 @@ updates \fB$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.
@@ -2708,9 +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,
-0 if it was specified as dark with the \fB\-@,0\fR option or
-1 if it was specified as light with the \fB\-@,1\fR option.
+Returns -1 if the terminal background color could not be determined, 0
+if it was found to be dark (or was specified as dark with the
+\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,
@@ -3294,7 +3337,7 @@ This function returns the number of \fInon-\fRomitted days between
 counted.  \fIend\fR is never counted.
 .RS
 .PP
-Note that if \fIend\fR is less than \ffIstart\fR, the arguments
+Note that if \fIend\fR is less than \fIstart\fR, the arguments
 are effectively swapped, so counting always begins from the older
 date.
 .PP
@@ -3339,7 +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
@@ -4304,7 +4347,7 @@ Dean was born in 1984.  The above example, on 1 November 1992, would print:
 Similarly, the function is useful in anniversary reminders.  For example:
 .PP
 .nf
-        REM 4 June MSG [since(1989)] anniversary of the Tiananmen Square massacre
+        REM 4 June MSG [since(1989)] anniversary of the Tienanmen Square massacre
 .fi
 .PP
 Notes:
@@ -5525,7 +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
@@ -5816,6 +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
@@ -5863,9 +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.
@@ -5888,6 +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
-GB0bGR4cGR4cGh8dGiAeHCEfHCEfHSIgHSIgHiQiHyYkISknJCooJispJywq
-Jy4sKTIwLjUzMDUzMTo4Njs5Nzs5ODw7ODw7OT07OT48OkE/PUJAPkNBP0RC
-QEVDQUVEQkdFQ0lIRkpJR01LSU5MSlBPTVFQTlNSUFRSUFRSUVVTUlVUUllY
-VltZV1xaWF1cWmBfXmJgX2RiYGZlY2dmZGppZ2tqaG1ram9tbHFwb3Jwb3Rz
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-6Orq6uzs7O/v7/T09PX19fb29vf39/r6+vv7+/7+/v//////////////////
-////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////
-/////////////////////yH5BAEKAP8ALAAAAAAXACAAAAj+AP8JHEiwoMGD
-CAcusRAAQEKDBQIcEBAAwUODAQJAsBGAwsWCBzJuUBLgI0ENGVM2dACg5UWV
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-+BkBVAlaKATC8Fsp8Igid5ABgxMHtaTgggy6ZFBAADs=    }
+iVBORw0KGgoAAAANSUhEUgAAAEAAAABbCAYAAADDeIOGAAAACXBIWXMAAAu6AAALugFBTNueAAAA
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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);
 

src/dorem.c

@@ -350,6 +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);
@@ -1136,7 +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;
 
@@ -1184,7 +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 {
@@ -1192,13 +1207,6 @@ 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;
 

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

@@ -1421,28 +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;
 }
 
@@ -2492,7 +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));
@@ -3574,6 +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);
@@ -3581,6 +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;
@@ -3588,7 +3591,7 @@ rows_or_cols(func_info *info, int want_rows)
     } else {
         RETVAL = -1;
     }
-    if (fd != STDOUT_FILENO) {
+    if (opened) {
         close(fd);
     }
     return OK;
@@ -3757,7 +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 */
@@ -3805,8 +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);

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 (x == 0) {
-                            TerminalBackground = TERMINAL_BACKGROUND_DARK;
-                        } else if (x == 1) {
-                            TerminalBackground = TERMINAL_BACKGROUND_LIGHT;
-                        } else if (x == 2) {
-                            TerminalBackground = TERMINAL_BACKGROUND_UNKNOWN;
+                        if (*arg == 't') {
+                            arg++;
+                            should_guess_terminal_background = 2;
                         } else {
-                            fprintf(ErrFp, "%s: -@n,m,b: m must be 0, 1 or 2 (assuming 2)\n",
-                                    argv[0]);
+                            PARSENUM(x, arg);
+                            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]);
+                            }
                         }
                     }
 		}
@@ -537,7 +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 {
@@ -548,7 +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;
@@ -621,6 +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) {
@@ -726,7 +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);
 }
 
@@ -958,3 +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/main.c

@@ -181,14 +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) {
@@ -196,7 +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);
 
@@ -749,17 +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);
-    t = localtime(&tloc);
+    now = time(NULL);
+    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                                                 */
@@ -771,11 +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);
-    t = localtime(&tloc);
+    now = time(NULL);
+    t = localtime(&now);
 
     *d = t->tm_mday;
     *m = t->tm_mon;

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))) {
-	close(1);
-	close(2);
+    if (!DontFork) {
+        maybe_close(STDIN_FILENO);
+        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

@@ -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 },

tests/test-rem

@@ -437,6 +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.cmp

@@ -1060,7 +1060,7 @@ set a057 value("a05"+"6")
 "a05" + "6" => "a056"
 value("a056") => "SDFJHSDF KSJDFH KJSDFH KSJDFH"
 set a058 version()
-version() => "04.02.06"
+version() => "04.02.08"
 set a059 wkday(today())
 today() => 1991-02-16
 wkday(1991-02-16) => "Saturday"
@@ -2644,7 +2644,7 @@ a086  4
 a109  2012-01-01
 a128  2018-02-03@16:45
 a039  "February"
-a058  "04.02.06"
+a058  "04.02.08"
 a077  "1992 92\n"
 a096  -4
 a119  -1
@@ -2789,6 +2789,7 @@ Variable  Value
         $LongMin  15
         $LongSec  0
           $March  "March"
+ $MaxLateMinutes  0           [0, 1440]
      $MaxSatIter  150         [10, Inf)
    $MaxStringLen  65535       [-1, Inf)
             $May  "May"
@@ -11695,3 +11696,4 @@ Can't open file: include_dir/ww
 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
+04.02.08