I am using the url package from the CVS. When I evaluate (url-insert-file-contents "http://www.mail-archive.com/lists.html") XEmacs crashes. The lisp backtrace: The C backtrace: #0 0x4040c4e1 in __kill () (gdb) where #0 0x4040c4e1 in __kill () #1 0x808e884 in fatal_error_signal (sig=6) at emacs.c:276 #2 <signal handler called> #3 0xfe90a58d in ?? () #4 0x4040d868 in abort () at ../sysdeps/generic/abort.c:88 #5 0x808e7ca in assert_failed () at emacs.c:2825 #6 0x81331a7 in bufpos_to_bytind_func (buf=0x8852670, x=1025) at insdel.c:581 #7 0x8133b8a in bufpos_to_bytind (buf=0x8852670, x=1025) at buffer.h:985 #8 0x80e4cc6 in map_extents (from=1, to=1025, fn=0x80ea2f0 <report_extent_modification_mapper>, arg=0xbfffdf78, obj=142943856, after=0x0, flags=15360) at extents.c:2272 #9 0x80f023d in report_extent_modification (buffer=142943856, start=1, end=1025, inside=0x8269b34, afterp=1) at extents.c:4697 #10 0x8135b60 in signal_after_change (buf=0x8852670, start=1, orig_end=1, new_end=1025) at insdel.c:2298