-TIME should be one of: a string giving an absolute time like
-\"11:23pm\" (the acceptable formats are those recognized by
-`diary-entry-time'; note that such times are interpreted as times
-today, even if in the past); a string giving a relative time like
-\"2 hours 35 minutes\" (the acceptable formats are those
-recognized by `timer-duration'); nil meaning now; a number of
-seconds from now; a value from `encode-time'; or t (with non-nil
-REPEAT) meaning the next integral multiple of REPEAT. REPEAT may
-be an integer or floating point number. The action is to call
-FUNCTION with arguments ARGS.
+REPEAT may be an integer or floating point number.
+TIME should be one of:
+- a string giving today's time like \"11:23pm\"
+ (the acceptable formats are HHMM, H:MM, HH:MM, HHam, HHAM,
+ HHpm, HHPM, HH:MMam, HH:MMAM, HH:MMpm, or HH:MMPM;
+ a period `.' can be used instead of a colon `:' to separate
+ the hour and minute parts);
+- a string giving a relative time like \"90\" or \"2 hours 35 minutes\"
+ (the acceptable forms are a number of seconds without units
+ or some combination of values using units in `timer-duration-words');
+- nil, meaning now;
+- a number of seconds from now;
+- a value from `encode-time';
+- or t (with non-nil REPEAT) meaning the next integral
+ multiple of REPEAT.