commit 12a0f22340ef1b0fa9a4e96d918e282c3d9c2c4e
author Bram Moolenaar <Bram@vim.org> Tue Feb 11 15:47:46 2014 +0100
committer Bram Moolenaar <Bram@vim.org> Tue Feb 11 15:47:46 2014 +0100
tree 32cf6b5e46764f9e2a14fcbb5f6a4a4bb52c98f9
parent 4d504a3e11c42ca1f7ad29848b943eb1537283cb

updated for version 7.4.173
Problem:    When using scrollbind the cursor can end up below the last line.
            (mvxxc)
Solution:   Reset w_botfill when scrolling up. (Christian Brabandt)

src/move.c

diff --git a/src/move.c b/src/move.c
index 5c82574..3a75ce3 100644
--- a/src/move.c
+++ b/src/move.c
@@ -2101,6 +2101,7 @@
     int		used;
     lineoff_T	loff;
     lineoff_T	boff;
+    linenr_T	old_topline = curwin->w_topline;
 
     loff.lnum = boff.lnum = curwin->w_cursor.lnum;
 #ifdef FEAT_FOLDING
@@ -2156,6 +2157,8 @@
 	curwin->w_topline = topline;
 #ifdef FEAT_DIFF
     curwin->w_topfill = topfill;
+    if (old_topline > curwin->w_topline + curwin->w_height)
+	curwin->w_botfill = FALSE;
     check_topfill(curwin, FALSE);
 #endif
     curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);