(beg_unchanged, end_unchanged, unchanged_modified,

overlay_unchanged_modified): Removed.
(with_echo_area_unwind_data): Don't save beg/end_unchanged.
(unwind_with_echo_area_buffer): Don't restore them.
(debug_beg_unchanged, debug_end_unchanged) [GLYPH_DEBUG]: Removed.
(text_outside_line_unchanged_p, redisplay_internal,
try_scrolling): Use/set buffer-specific beg/end_unchanged.
(redisplay_window): Let try_window_id be called if more than one
window is displayed.  Use/set buffer-specific beg/end_unchanged.
(get_last_unchanged_at_beg_row, get_first_unchanged_at_end_row,
try_window_id):
Use buffer-specific beg/end_unchanged.
(beg_unchanged, end_unchanged, unchanged_modified,
overlay_unchanged_modified): Remove extern declarations.

1 files changed, 0 insertions, 19 deletions

diff --git a/src/window.h b/src/window.h
index 8e8147736bc..05ace178f4b 100644
--- a/src/window.h
+++ b/src/window.h
@@ -393,25 +393,6 @@ extern int minibuf_level;
 
 extern int update_mode_lines;
 
-/* Minimum value of GPT - BEG since last redisplay that finished.  */
-
-extern int beg_unchanged;
-
-/* Minimum value of Z - GPT since last redisplay that finished.  */
-
-extern int end_unchanged;
-
-/* MODIFF as of last redisplay that finished; if it matches MODIFF,
-   beg_unchanged and end_unchanged contain no useful information.  */
-
-extern int unchanged_modified;
-
-/* BUF_OVERLAY_MODIFF of current buffer, as of last redisplay that
-   finished; if it matches BUF_OVERLAY_MODIFF, beg_unchanged and
-   end_unchanged contain no useful information.  */
-
-extern int overlay_unchanged_modified;
-
 /* Nonzero if BEGV - BEG or Z - ZV of current buffer has changed since
    last redisplay that finished.  */