From: Gerd Moellmann <gerd@gnu.org>
Date: Tue, 17 Aug 1999 22:44:37 +0000 (+0000)
Subject: (update_frame_line): If writing whole line,
X-Git-Tag: emacs-pretest-21.0.90~7128
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=74ca462f6d15dec88e7bd06a50401847daae97cf;p=emacs.git

(update_frame_line): If writing whole line,
don't write trailing spaces unless we must.
---

diff --git a/src/dispnew.c b/src/dispnew.c
index b2a2d97dd62..9906022b00e 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -4836,10 +4836,18 @@ update_frame_line (frame, vpos)
   /* If display line has unknown contents, write the whole line.  */
   if (must_write_whole_line_p)
     {
-      cursor_to (vpos, 0);
-      write_glyphs (nbody, nlen);
+      if (!must_write_spaces)
+	while (nlen > 0 && CHAR_GLYPH_SPACE_P (nbody[nlen - 1]))
+	  --nlen;
+
+      if (nlen)
+	{
+	  cursor_to (vpos, 0);
+	  write_glyphs (nbody, nlen);
+	}
+      
       cursor_to (vpos, nlen);
-      clear_end_of_line (-1);
+      clear_end_of_line (olen);
       make_current (desired_matrix, current_matrix, vpos);
       return;
     }