* lisp/tab-line.el: Fix tab-line-buffers in window-persistent-parameters.

Replace '(tab-line-buffers . writable)' with '(tab-line-buffers . t)'
in 'window-persistent-parameters' (bug#69993).

(cherry picked from commit 32ed3d26793753124d344901a6401eecd9225cd1)

diff --git a/lisp/tab-line.el b/lisp/tab-line.el
index 84dd20a6307ccbc2aedf1dffa2935c201d659c35..896e1c802f7000af2e6cd5e4ff9f80e2d27d561e 100644 (file)
--- a/lisp/tab-line.el
+++ b/lisp/tab-line.el
@@ -540,7 +540,7 @@ And newly displayed buffers are added to the end of the tab line."
     (set-window-parameter nil 'tab-line-buffers new-buffers)
     new-buffers))
 
-(add-to-list 'window-persistent-parameters '(tab-line-buffers . writable))
+(add-to-list 'window-persistent-parameters '(tab-line-buffers . t))
 
 \f
 (defcustom tab-line-tab-name-format-function #'tab-line-tab-name-format-default