commit b851a96d5c201291d9e955afaf55979b3e410f9f
author Bram Moolenaar <Bram@vim.org> Fri Oct 31 15:45:52 2014 +0100
committer Bram Moolenaar <Bram@vim.org> Fri Oct 31 15:45:52 2014 +0100
tree cf34aaf349e9afa3e1cc24c5a31d9d241d3c004f
parent 6a64365c952895ecc2219b303d9bf64dabf8f2e7

updated for version 7.4.491
Problem:    When winrestview() has a negative "topline" value there are
            display errors.
Solution:   Correct a negative value to 1. (Hirohito Higashi)

src/eval.c

diff --git a/src/eval.c b/src/eval.c
index 8f62cb2..f5aa7e9 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -19576,7 +19576,7 @@
 # endif
 	changed_window_setting();
 
-	if (curwin->w_topline == 0)
+	if (curwin->w_topline <= 0)
 	    curwin->w_topline = 1;
 	if (curwin->w_topline > curbuf->b_ml.ml_line_count)
 	    curwin->w_topline = curbuf->b_ml.ml_line_count;