+2012-08-14 Dmitry Antipov <dmantipov@yandex.ru>
+
+ Revert and cleanup some recent overlay changes.
+ * buffer.h (enum overlay_type): Remove.
+ (buffer_get_overlays, buffer_set_overlays): Likewise.
+ (buffer_set_overlays_before, buffer_set_overlays_after):
+ New function. Adjust users.
+ (unchain_both): Add eassert.
+
2012-08-14 Dmitry Antipov <dmantipov@yandex.ru>
* gtkutil.c (update_frame_tool_bar): Use EQ where appropriate.