GitLab

* lisp/tab-bar.el (tab-bar-new-tab-to): Set frame parameter
tab-bar-lines to 1 when tab-bar-show is the same as number of tabs.
(tab-bar-close-tab, tab-bar-close-other-tabs): Set frame parameter
tab-bar-lines to 0 when tab-bar-show is the same as number of tabs.

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