diff -durN xemacs-orig/src/insdel.c xemacs/src/insdel.c --- xemacs-orig/src/insdel.c Mon Apr 16 23:33:02 2001 +++ xemacs/src/insdel.c Wed Jul 25 23:48:44 2001 @@ -2922,8 +2922,19 @@ MAP_INDIRECT_BUFFERS (buf, mbuf, bufcons) { mbuf->changes->newline_was_deleted = 1; + delete_invalidate_line_number_cache (mbuf, pos, pos+1); } } + + if (ch == '\n') + { + Bufbyte inserted_char[MAX_EMCHAR_LEN]; + Bytecount len; + + len = set_charptr_emchar (inserted_char, ch); + insert_invalidate_line_number_cache (buf, pos, inserted_char, len); + } + MARK_BUFFERS_CHANGED; if (!not_real_change) {