Actually improve detection of long lines

* src/xdisp.c (redisplay_window): Update condition.

* src/xdisp.c (mark_window_display_accurate_1):
* src/pdumper.c (dump_buffer):
* src/buffer.h (BUF_CHARS_UNCHANGED_MODIFIED):
(struct buffer_text):
* src/buffer.c (Fget_buffer_create):
Revert 1c837c42c2, which was misguided.

1 files changed, 0 insertions, 11 deletions

diff --git a/src/buffer.h b/src/buffer.h
index dded0cd98c1..80b3fd81e09 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -149,18 +149,12 @@ enum { BEG = 1, BEG_BYTE = BEG };
 #define BUF_BEG_UNCHANGED(buf) ((buf)->text->beg_unchanged)
 #define BUF_END_UNCHANGED(buf) ((buf)->text->end_unchanged)
 
-#define BUF_CHARS_UNCHANGED_MODIFIED(buf) \
-  ((buf)->text->chars_unchanged_modified)
-
 #define UNCHANGED_MODIFIED \
   BUF_UNCHANGED_MODIFIED (current_buffer)
 #define OVERLAY_UNCHANGED_MODIFIED \
   BUF_OVERLAY_UNCHANGED_MODIFIED (current_buffer)
 #define BEG_UNCHANGED BUF_BEG_UNCHANGED (current_buffer)
 #define END_UNCHANGED BUF_END_UNCHANGED (current_buffer)
-
-#define CHARS_UNCHANGED_MODIFIED \
-  BUF_CHARS_UNCHANGED_MODIFIED (current_buffer)
 
 /* Functions to set PT in the current buffer, or another buffer.  */
 
@@ -274,11 +268,6 @@ struct buffer_text
        end_unchanged contain no useful information.  */
     modiff_count overlay_unchanged_modified;
 
-    /* CHARS_MODIFF as of last redisplay that finished.  It's used
-       when we only care about changes in actual buffer text, not in
-       any other kind of changes, like properties etc.  */
-    modiff_count chars_unchanged_modified;
-
     /* Properties of this buffer's text.  */
     INTERVAL intervals;