New xref-quit-and-goto-xref command bound to TAB (bug#28814)

This is like xref-goto-xref, but quits the *xref* window just before
the user jump to ref.

* lisp/progmodes/xref.el (xref--show-location): Handle 'quit
value for SELECT.
(xref-goto-xref): Take optional QUIT arg.
(xref-quit-and-goto-xref): New command.
(xref--xref-buffer-mode-map): Bind "Q" and "TAB" to
xref-quit-and-goto-xref.

* doc/emacs/maintaining.texi (Xref Commands): Describe new bindings in
*xref*.

* etc/NEWS (Xref): Describe new binding.

1 files changed, 5 insertions, 2 deletions

diff --git a/doc/emacs/maintaining.texi b/doc/emacs/maintaining.texi
index dc0a71511ff..112f1f4d9ed 100644
--- a/doc/emacs/maintaining.texi
+++ b/doc/emacs/maintaining.texi
@@ -1887,8 +1887,7 @@ the special XREF mode:
 @table @kbd
 @item @key{RET}
 @itemx mouse-2
-Display the reference on the current line and bury the @file{*xref*}
-buffer.
+Display the reference on the current line.
 @item n
 @itemx .
 @findex xref-next-line
@@ -1903,6 +1902,10 @@ Move to the previous reference and display it in the other window
 @findex xref-show-location-at-point
 Display the reference on the current line in the other window
 (@code{xref-show-location-at-point}).
+@item TAB
+@findex xref-quit-and-goto-xref
+Display the reference on the current line and bury the @file{*xref*}
+buffer (@code{xref-quit-and-goto-xref}).
 @findex xref-query-replace-in-results
 @item r @var{pattern} @key{RET} @var{replacement} @key{RET}
 Perform interactive query-replace on references that match