Fix bug: Remind would sometimes compute incorrect trigger date for:

REM 29 Feb SOME_WEEKDAY MSG ...

src/trigger.c

@@ -221,6 +221,7 @@ static int NextSimpleTrig(int startdate, Trigger *trig, int *err)
 
 	/* Try this year */
 	y++;
+	while (trig->d > DaysInMonth(trig->m, y)) y++;
 	j = Julian(y, trig->m, trig->d);
         ADVANCE_TO_WD(j, trig->wd);
 	if (j >= startdate) return j;

tests/test-rem

@@ -65,6 +65,10 @@ echo "" >> ../tests/test.out
 
 chmod 644 include_dir/04cantread.rem
 
+# Feb 29 bug
+echo "Feb 29 Bug Test" >> ../tests/test.out
+echo 'REM Sun 29 Feb MSG [$T]' | ../src/remind -dt - 1 feb 2021 >> ../tests/test.out 2>&1
+
 echo "Color Test" >> ../tests/test.out
 ../src/remind -ccl ../tests/colors.rem 1 aug 2007 >> ../tests/test.out 2>&1
 

tests/test.cmp

@@ -4240,6 +4240,9 @@ September 30
 # fileinfo 5 ../tests/include_test.rem
 2007/08/15 * * * * Whee!!!!
 # rem2ps end
+Feb 29 Bug Test
+-(1): Trig = Sunday, 3 March, 2024
+No reminders.
 Color Test
 (0lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk(B
 (0x(B                                August 2007                                 (0x(B