From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 18 Jul 2015 10:02:06 +0000 (+0300)
Subject: Fix scrolling backwards on TTY frames under scroll-conservatively
X-Git-Tag: emacs-25.0.90~1474
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=d3816bf8ad1fcfed2a32d23216a55850ee4325b5;p=emacs.git

Fix scrolling backwards on TTY frames under scroll-conservatively

* src/xdisp.c (move_it_vertically_backward): Fix off-by-one error
in moving backwards on TTY frames.  (Bug#21080)
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 5bef44c6e51..16a7a64c89b 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -9428,7 +9428,7 @@ move_it_vertically_backward (struct it *it, int dy)
 	     treating terminal frames specially here.  */
 
 	  if (!FRAME_WINDOW_P (it->f))
-	    move_it_vertically (it, target_y - (it->current_y + line_height));
+	    move_it_vertically (it, target_y - it->current_y);
 	  else
 	    {
 	      do