bug#62427: tab-bar-new-tab-to now handles cases with multiple side-windows

[Juri Linkov <juri@linkov.net>]

>> Thanks, installed on emacs-29 branch, and closing the bug.
>
> From the docstring of 'tab-bar-new-tab-choice':
>
>   If the value is the symbol `window', then keep the selected
>   window as a single window on the new tab, and keep all its
>   window parameters except `window-atom' and `window-side'.
>                                               ===========
>
> So still need to remove `window-side' in this case:
>
> diff --git a/lisp/tab-bar.el b/lisp/tab-bar.el
> index 61e177c051d..42fc5a23990 100644
> --- a/lisp/tab-bar.el
> +++ b/lisp/tab-bar.el
> @@ -1588,7 +1588,9 @@ tab-bar-new-tab-to
>            (delete-other-windows)
>            (if (eq tab-bar-new-tab-choice 'window)
>                ;; Create new unique window from remaining window
> -              (window-state-put (window-state-get))
> +              (progn
> +                (set-window-parameter nil 'window-side nil)
> +                (window-state-put (window-state-get)))
>              ;; Create a new window to get rid of old window parameters
>              ;; (e.g. prev/next buffers) of old window.
>              (split-window) (delete-window))))

Now installed on emacs-29 branch.