Add $HideCompletedTodos, $JSONMode and $TodoFilter system variables.

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

@@ -137,8 +137,8 @@
          "$DefaultPrio" "$DefaultTDelta" "$DeltaOverride"
          "$DontFork" "$DontQueue" "$DontTrigAts" "$EndSent" "$EndSentIg"
          "$ExpressionTimeLimit" "$February" "$FirstIndent" "$FoldYear"
-         "$FormWidth" "$Friday" "$Fromnow" "$Hour" "$Hplu" "$HushMode"
-         "$IgnoreOnce" "$InfDelta" "$IntMax" "$IntMin" "$Is" "$January" "$July"
+         "$FormWidth" "$Friday" "$Fromnow" "$HideCompletedTodos" "$Hour" "$Hplu" "$HushMode"
+         "$IgnoreOnce" "$InfDelta" "$IntMax" "$IntMin" "$Is" "$January" "$JSONMode" "$July"
          "$June" "$LatDeg" "$Latitude" "$LatMin" "$LatSec" "$Location"
          "$LongDeg" "$Longitude" "$LongMin" "$LongSec" "$March" "$MaxFullOmits"
          "$MaxLateMinutes" "$MaxPartialOmits" "$MaxSatIter" "$MaxStringLen"
@@ -148,7 +148,7 @@
          "$PrefixLineNo" "$PSCal" "$RunOff" "$Saturday" "$September"
          "$SimpleCal" "$SortByDate" "$SortByPrio" "$SortByTime" "$SubsIndent"
          "$Sunday" "$SuppressImplicitWarnings" "$SuppressLRM" "$SysInclude" "$T" "$Tb" "$Td"
-         "$TerminalBackground" "$Thursday" "$TimeSep" "$TimetIs64bit" "$Tm" "$Today"
+         "$TerminalBackground" "$Thursday" "$TimeSep" "$TimetIs64bit" "$Tm" "$Today" "$TodoFilter"
          "$Tomorrow" "$Tt" "$Tuesday" "$Tw" "$Ty" "$U" "$Ud" "$Um"
          "$UntimedFirst" "$Use256Colors" "$UseBGVTColors" "$UseTrueColors"
          "$UseVTColors" "$Uw" "$Uy" "$Was" "$Wednesday")

man/remind.1.in

@@ -2969,6 +2969,10 @@ output is not a terminal, then the default is 72.If an \fBMSF\fR-type
 reminder contains a word too long to fit in this width, it will not be
 truncated - the width limit will be ignored.
 .TP
+.B $HideCompletedTodos (read-only)
+If non-zero, then the \fB\-\-hide-completed-todos\fR option was supplied
+on the command line.
+.TP
 .B $HushMode (read-only)
 If non-zero, then the \fB\-h\fR option was supplied on the command line.
 .TP
@@ -3056,6 +3060,9 @@ updates \fB$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 $JSONMode (read-only)
+If non-zero, then the \fB\-\-json\fR command-line option was supplied.
+.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
@@ -3259,6 +3266,11 @@ This variable returns 1 if the internal C \fBtime_t\fR type is at least
 to represent dates after about 2038, and \fBRemind\fR will use a workaround to avoid
 problems.  See also the section "MACHINES WITH A 32-BIT TIME_T TYPE"
 .TP
+.B $TodoFilter (read-only)
+If 0, then both events and TODOs are being output.  If 1, then the
+\fB\-\-only-todos\fR command-line option was supplied.  If 2, then
+the \fB\-\-only-events\fR command-line option was spplied.
+.TP
 .B $UntimedFirst (read-only)
 Set to 1 if the \fB\-g\fR option is used with a fourth sort character
 of "d"; set to 0 otherwise.

src/var.c

@@ -992,6 +992,7 @@ static SysVar SysVarArr[] = {
     {"FormWidth",      1,  INT_TYPE,     &FormWidth,           20,     500 },
     {"Friday",         1,  TRANS_TYPE,   "Friday",             0,      0 },
     {"Fromnow",        1,  TRANS_TYPE,   "from now",           0,      0 },
+    {"HideCompletedTodos", 0, INT_TYPE,  &HideCompletedTodos,  0,      0 },
     {"Hour",           1,  TRANS_TYPE,   "hour",               0,      0 },
     {"Hplu",           1,  STR_TYPE,     &DynamicHplu,         0,      0 },
     {"HushMode",       0,  INT_TYPE,     &Hush,                0,      0 },
@@ -1001,6 +1002,7 @@ static SysVar SysVarArr[] = {
     {"IntMin",         0,  INT_TYPE,     &IntMin,              0,      0 },
     {"Is",             1,  TRANS_TYPE,   "is",                 0,      0 },
     {"January",        1,  TRANS_TYPE,   "January",            0,      0 },
+    {"JSONMode",       0,  INT_TYPE,     &JSONMode,            0,      0 },
     {"July",           1,  TRANS_TYPE,   "July",               0,      0 },
     {"June",           1,  TRANS_TYPE,   "June",               0,      0 },
     {"LatDeg",         1,  SPECIAL_TYPE, latdeg_func,          0,      0 },
@@ -1058,6 +1060,7 @@ static SysVar SysVarArr[] = {
     {"TimetIs64bit",   0,  SPECIAL_TYPE, timet_is_64_func,     0,      0 },
     {"Tm",             0,  SPECIAL_TYPE, trig_mon_func,        0,      0 },
     {"Today",          1,  TRANS_TYPE,   "today",              0,      0 },
+    {"TodoFilter",     0,  INT_TYPE,     &TodoFilter,          0,      0 },
     {"Tomorrow",       1,  TRANS_TYPE,   "tomorrow",           0,      0 },
     {"Tt",             0,  SPECIAL_TYPE, trig_time_func,       0,      0 },
     {"Tu",             0,  SPECIAL_TYPE, trig_until_func,      0,      0 },

tests/test.cmp

@@ -24681,6 +24681,7 @@ $FoldYear
 $FormWidth
 $Friday
 $Fromnow
+$HideCompletedTodos
 $Hour
 $Hplu
 $HushMode
@@ -24690,6 +24691,7 @@ $IntMax
 $IntMin
 $Is
 $January
+$JSONMode
 $July
 $June
 $LatDeg
@@ -24747,6 +24749,7 @@ $TimeSep
 $TimetIs64bit
 $Tm
 $Today
+$TodoFilter
 $Tomorrow
 $Tt
 $Tu