[Emacs-diffs] Changes to emacs/src/eval.c,v

[Miles Bader]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Miles Bader <miles>     07/10/27 09:07:17

Index: src/eval.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/eval.c,v
retrieving revision 1.294
retrieving revision 1.295
diff -u -b -r1.294 -r1.295
--- src/eval.c  16 Oct 2007 22:39:24 -0000      1.294
+++ src/eval.c  27 Oct 2007 09:07:17 -0000      1.295
@@ -2194,7 +2194,14 @@
   /* Preserve the match data.  */
   record_unwind_save_match_data ();
 
-  /* Value saved here is to be restored into Vautoload_queue.  */
+  /* If autoloading gets an error (which includes the error of failing
+     to define the function being called), we use Vautoload_queue
+     to undo function definitions and `provide' calls made by
+     the function.  We do this in the specific case of autoloading
+     because autoloading is not an explicit request "load this file",
+     but rather a request to "call this function".
+     
+     The value saved here is to be restored into Vautoload_queue.  */
   record_unwind_protect (un_autoload, Vautoload_queue);
   Vautoload_queue = Qt;
   Fload (Fcar (Fcdr (fundef)), Qnil, Qt, Qnil, Qt);