(timeclock-out): Signal an error if timeclock-last-event is nil.

2 files changed, 7 insertions, 0 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 8fe3b20fae8..b8f44cf28bd 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2001-11-03  Eli Zaretskii  <eliz@is.elta.co.il>
+
+        * calendar/timeclock.el (timeclock-out): Signal an error if
+        timeclock-last-event is nil.
+
 2001-11-02  Stefan Monnier  <monnier@cs.yale.edu>
 
         * international/mule-diag.el (list-character-sets)
diff --git a/lisp/calendar/timeclock.el b/lisp/calendar/timeclock.el
index e570f9bf2f7..a7f3c73d32d 100644
--- a/lisp/calendar/timeclock.el
+++ b/lisp/calendar/timeclock.el
@@ -370,6 +370,8 @@ FIND-REASON is non-nil -- or the user calls `timeclock-out'
 interactively -- call the function `timeclock-get-reason-function' to
 discover the reason."
   (interactive "P")
+  (or timeclock-last-event
+      (error "You haven't clocked in!"))
   (if (equal (downcase (car timeclock-last-event)) "o")
       (error "You've already clocked out!")
     (timeclock-log