; * src/xdisp.c (redisplay_internal): Improve commentary.

1 files changed, 9 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 297f789cdaf..057671246e3 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -13931,7 +13931,15 @@ redisplay_internal (void)
       if (sf->fonts_changed || sf->redisplay)
         {
           if (sf->redisplay)
-            windows_or_buffers_changed = 50;
+            {
+              /* Set this to force a more thorough redisplay.
+                 Otherwise, we might immediately loop back to the
+                 above "else-if" clause (since all the conditions that
+                 led here might still be true), and we will then
+                 infloop, because the selected-frame's redisplay flag
+                 is not (and cannot be) reset.  */
+              windows_or_buffers_changed = 50;
+            }
           goto retry;
         }