* lisp/tab-line.el (tab-line-cache-key-default): Adapt to new feature.

Take into account 'tab-line-close-modified-button-show' similarly
to the case when 'tab-line-tab-face-modified' is a member of
'tab-line-tab-face-functions' (bug#79046).

1 files changed, 3 insertions, 2 deletions

diff --git a/lisp/tab-line.el b/lisp/tab-line.el
index 5e33064b5b1..51675dbbb29 100644
--- a/lisp/tab-line.el
+++ b/lisp/tab-line.el
@@ -762,8 +762,9 @@ it clears the tab-line cache of all tab lines and forces their redisplay."
    ;; for setting face 'tab-line-tab-current'
    (mode-line-window-selected-p)
    ;; for `tab-line-tab-face-modified'
-   (and (memq 'tab-line-tab-face-modified
-              tab-line-tab-face-functions)
+   (and (or tab-line-close-modified-button-show
+            (memq 'tab-line-tab-face-modified
+                  tab-line-tab-face-functions))
         (buffer-file-name)
         (buffer-modified-p))))