Allow per-appointment warning times.

* lisp/calendar/appt.el (appt-message-warning-time): Doc fix.
(appt-warning-time-regexp): New option.
(appt-make-list): Respect appt-message-warning-time.

* doc/emacs/calendar.texi (Appointments): Mention appt-warning-time-regexp.

* etc/NEWS: Mention this.

2 files changed, 7 insertions, 1 deletions

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index dbb274360fd..bec432f6f23 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,5 +1,7 @@
 2011-05-06  Glenn Morris  <rgm@gnu.org>
 
+        * calendar.texi (Appointments): Mention appt-warning-time-regexp.
+
         * cal-xtra.texi (Fancy Diary Display): Mention diary comments.
 
 2011-05-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
diff --git a/doc/emacs/calendar.texi b/doc/emacs/calendar.texi
index 757dc3b4ac7..fabd38ecc18 100644
--- a/doc/emacs/calendar.texi
+++ b/doc/emacs/calendar.texi
@@ -1489,11 +1489,15 @@ Monday
 @end example
 
 @vindex appt-message-warning-time
+@vindex appt-warning-time-regexp
 @noindent
 Then on Mondays, you will be reminded at around 9:20am about your
 coffee break and at around 11:50am about lunch.  The variable
 @code{appt-message-warning-time} specifies how many minutes (default 12)
-in advance to warn you.
+in advance to warn you.  This is a default warning time.  Each
+appointment can specify a different warning time by adding a piece
+matching @code{appt-warning-time-regexp} (see that variable's
+documentation for details).
 
   You can write times in am/pm style (with @samp{12:00am} standing
 for midnight and @samp{12:00pm} standing for noon), or 24-hour