(unchain_marker): Allow differing buffers

[gnu-emacs] / src / marker.c

diff --git a/src/marker.c b/src/marker.c
index df67a8477a115e690859bd374aa562ef1c3f613d..957510a9bde543824a415a35440b53ac559e5c2d 100644 (file)
--- a/src/marker.c
+++ b/src/marker.c
@@ -220,8 +220,9 @@ unchain_marker (marker)
              BUF_MARKERS (b) = next;
              /* Deleting first marker from the buffer's chain.  Crash
                 if new first marker in chain does not say it belongs
-                to the same buffer (or one of its indirect buffers).  */
-             if (!NILP (next) && b != XMARKER (next)->buffer)
+                to the same buffer, or at least that they have the same
+                base buffer.  */
+             if (!NILP (next) && b->text != XMARKER (next)->buffer->text)
                abort ();
            }
          else