(update_window): Only set changed_p if

scrolling_window actually did scroll.
(scrolling_window): Only return 1 if we actually did scroll.

diff --git a/src/dispnew.c b/src/dispnew.c
index e1a3ed93dab9d1de2184252969d2b7cb59b1b3c5..987562b0bef10aaa80dff135309f5f68f86fa658 100644 (file)
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -4130,9 +4130,11 @@ update_window (w, force_p)
              goto set_cursor;
            }
          else if (rc > 0)
-           /* We've scrolled the display.  */
-           force_p = 1;
-         changed_p = 1;
+           {
+             /* We've scrolled the display.  */
+             force_p = 1;
+             changed_p = 1;
+           }
        }
 
       /* Update the rest of the lines.  */
@@ -5049,8 +5051,8 @@ scrolling_window (w, header_line_p)
   for (i = 0; i < row_entry_idx; ++i)
     row_table[row_entry_pool[i].bucket] = NULL;
 
-  /* Value is non-zero to indicate that we scrolled the display.  */
-  return 1;
+  /* Value is > 0 to indicate that we scrolled the display.  */
+  return nruns;
 }
 
 
@@ -5909,13 +5911,13 @@ marginal_area_string (w, part, x, y, charpos, object, dx, dy, width, height)
         it's the one we were looking for.  */
       if (area == RIGHT_MARGIN_AREA)
        x0 = ((WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w)
-              ? WINDOW_LEFT_FRINGE_WIDTH (w) 
+              ? WINDOW_LEFT_FRINGE_WIDTH (w)
               : WINDOW_TOTAL_FRINGE_WIDTH (w))
              + window_box_width (w, LEFT_MARGIN_AREA)
              + window_box_width (w, TEXT_AREA));
       else
        x0 = (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w)
-             ? WINDOW_LEFT_FRINGE_WIDTH (w) 
+             ? WINDOW_LEFT_FRINGE_WIDTH (w)
              : 0);
 
       glyph = row->glyphs[area];