Re: caller GCPROs?

Sunday, 28 February 1999

        Gunnar Evermann <ge204(a)eng.cam.ac.uk&gt; writes:

...
 Is there any particular reason for this rather obvious lie
('This
 function can GC') at insdel.c:2644?

 ---------------
 Charcount
 buffer_insert_from_buffer_1 (struct buffer *buf, Bufpos pos,
 			     struct buffer *buf2, Bufpos pos2,
 			     Charcount length, int flags)
 {
   /* This function can GC */
   Lisp_Object str = make_string_from_buffer (buf2, pos2, length);
   return buffer_insert_string_1 (buf, pos, 0, str, 0,
 				 XSTRING_LENGTH (str), flags);
 } 
That's no lie.  buffer_insert_string_1() can not only GC, but invoke
arbitrary Lisp code!  Remember {before,after}-change-functions.

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