Fix redisplay of tab bar when its text properties change

* src/xdisp.c (update_tab_bar): Use 'equal-including-properties'
to compare previous with the current tab-bar items.  (Bug#76760)

1 files changed, 4 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 55c764fa03b..6c623abcb35 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -14368,7 +14368,10 @@ update_tab_bar (struct frame *f, bool save_match_data)
 
           /* Redisplay the tab-bar if we changed it.  */
           if (new_n_tab_bar != f->n_tab_bar_items
-              || NILP (Fequal (new_tab_bar, f->tab_bar_items)))
+              /* Some features modify the appearance of the tab bar by
+                 manipulating the text properties.  */
+              || NILP (Fequal_including_properties (new_tab_bar,
+                                                    f->tab_bar_items)))
             {
               /* Redisplay that happens asynchronously due to an expose event
                  may access f->tab_bar_items.  Make sure we update both