Add imenu support to xref

* lisp/progmodes/xref.el (xref--imenu-prev-index-position)
(xref--imenu-extract-index-name): Add functions to get imenu support.
(xref--xref-buffer-mode): Set imenu variables to the new functions.
* etc/NEWS: Add corresponding entry (bug#36974).

1 files changed, 5 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index cd474640392..60327e92d2c 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1849,6 +1849,11 @@ and 'gravatar-force-default'.
 *** The built-in ada-mode is now deleted.  The Gnu ELPA package is a
 good replacement, even in very large source files.
 
+** xref
+
+---
+*** Imenu support has been added to 'xref--xref-buffer-mode'.
+
 
 * New Modes and Packages in Emacs 27.1