From: Gerd Moellmann <gerd@gnu.org>
Date: Tue, 28 Dec 1999 12:13:02 +0000 (+0000)
Subject: (modify_overlay): Always compute unchanged info.
X-Git-Tag: emacs-pretest-21.0.90~5614
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=481b505472c397d389a75e4c4e0247b724cde746;p=emacs.git

(modify_overlay): Always compute unchanged info.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index afa53ef651a..22875eaf75a 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+1999-12-28  Gerd Moellmann  <gerd@gnu.org>
+
+	* xdisp.c (try_window_id): Compute BEG_UNCHANGED and END_UNCHANGED
+	if MODIFF > 1.
+
+	* buffer.c (modify_overlay): Always compute unchanged info.
+
 1999-12-27  Kenichi Handa  <handa@etl.go.jp>
 
 	* dispextern.h (FACE_FROM_ID): Cast the arg ID to `unsigned'.
@@ -9,10 +16,10 @@
 	* lisp.h (GLYPH): Defined as `int', not `unsigned int'.  Now the
 	lowest 8 bits are single byte character code, the bits above are
 	face ID.
-	(GLYPH_MASK_FACE) (GLYPH_MASK_CHAR): Adjusted for the change
+	(GLYPH_MASK_FACE, GLYPH_MASK_CHAR): Adjusted for the change
 	above.
-	(FAST_MAKE_GLYPH) (FSST_GLYPH_FACE): Likewise.
-	(GLYPH_MASK_REV_DIR) (GLYPH_MASK_PADDING): Macros deleted.
+	(FAST_MAKE_GLYPH, FSST_GLYPH_FACE): Likewise.
+	(GLYPH_MASK_REV_DIR, GLYPH_MASK_PADDING): Macros deleted.
 
 	* charset.h (CHAR_BYTES): Use ((1 << CHARACTERBITS) - 1) instead
 	of GLYPH_MASK_CHAR.
@@ -29,7 +36,7 @@
 	(GLYPH_FROM_CHAR_GLYPH): Likewise.  Always return -1 for multibyte
 	characters.
 
-	* dispnew.c (line_hash_code) (direct_output_for_insert): Adjusted
+	* dispnew.c (line_hash_code, direct_output_for_insert): Adjusted
 	for the change of struct glyph.
 	(line_draw_cost): Adjusted for the change of
 	GLYPH_FROM_CHAR_GLYPH.
@@ -37,7 +44,7 @@
 
 	* term.c (encode_terminal_code): Adjusted for the change of struct
 	glyph and GLYPH_FROM_CHAR_GLYPH.
-	(write_glyphs) (insert_glyphs) (append_glyph): Adjusted for the
+	(write_glyphs, insert_glyphs, append_glyph): Adjusted for the
 	change of struct glyph.
 
 	* xdisp.c: All codes adjusted for the change of struct glyph.
diff --git a/src/buffer.c b/src/buffer.c
index 47d15e9fcf1..871a152484e 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -3088,6 +3088,8 @@ modify_overlay (buf, start, end)
       start = end; end = temp;
     }
 
+  BUF_COMPUTE_UNCHANGED (buf, start, end);
+  
   /* If this is a buffer not in the selected window,
      we must do other windows.  */
   if (buf != XBUFFER (XWINDOW (selected_window)->buffer))
@@ -3095,8 +3097,6 @@ modify_overlay (buf, start, end)
   /* If multiple windows show this buffer, we must do other windows.  */
   else if (buffer_shared > 1)
     windows_or_buffers_changed = 1;
-  else
-    BUF_COMPUTE_UNCHANGED (buf, start, end);
 
   ++BUF_OVERLAY_MODIFF (buf);
 }