bug#58740: tab line overscroll

bug#58740: tab line overscroll

[João Guerra]

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If a user has word wrap globally enabled, e.g. via (setq-default
word-wrap t), tab-line-auto-hscroll overscrolls, i.e. when scrolling
the tab line to make the selected tab visible, it may overscroll extra
tabs unnecessarily.

This patch disables word wrap when setting up the temporary buffer
used by tab-line-auto-hscroll.

[-- Attachment #2: tab-line.patch --]
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diff --git a/lisp/tab-line.el b/lisp/tab-line.el
index 94e8f29a95..657d78d795 100644
--- a/lisp/tab-line.el
+++ b/lisp/tab-line.el
@@ -620,7 +620,8 @@ the selected tab visible."
     (let ((truncate-partial-width-windows nil)
           (inhibit-modification-hooks t)
           show-arrows)
-      (setq truncate-lines nil)
+      (setq truncate-lines nil
+            word-wrap nil)
       (erase-buffer)
       (apply 'insert strings)
       (goto-char (point-min))

bug#58740: tab line overscroll

[Juri Linkov]

close 58740 29.0.50
thanks

> If a user has word wrap globally enabled, e.g. via (setq-default
> word-wrap t), tab-line-auto-hscroll overscrolls, i.e. when scrolling
> the tab line to make the selected tab visible, it may overscroll extra
> tabs unnecessarily.
>
> This patch disables word wrap when setting up the temporary buffer
> used by tab-line-auto-hscroll.

Thanks for the patch, now pushed.