Add a doc string to xref-current-item

* lisp/progmodes/xref.el (xref-after-jump-hook): Link to it.
(xref-current-item): Add a doc string to the now-public variable.

2 files changed, 12 insertions, 5 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 560d3eecfd4..445e3ae89f0 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -942,12 +942,16 @@ to enable the display of the buffer list.
 It is bound to 'C-M-,' and jumps to the location where 'xref-go-back'
 ('M-,', also known as 'xref-pop-marker-stack') was invoked previously.
 
-*** 'xref-query-replace-in-results' does not prompt for FROM when
-called without prefix argument, to make the most common case faster:
-replacing entire matches.
++++
+*** 'xref-query-replace-in-results' prompting change.
+This command no longer prompts for FROM when called without prefix
+argument.  This makes the most common case faster: replacing entire
+matches.
 
++++
 *** New command 'xref-find-references-and-replace' to rename one identifier.
 
+---
 *** New variable 'xref-current-item' (renamed from a private version).
 
 *** New function 'xref-show-xrefs'.
diff --git a/lisp/progmodes/xref.el b/lisp/progmodes/xref.el
index 277934c08a2..958d4e8b9d7 100644
--- a/lisp/progmodes/xref.el
+++ b/lisp/progmodes/xref.el
@@ -381,7 +381,8 @@ elements is negated: these commands will NOT prompt."
 
 (defcustom xref-after-jump-hook '(recenter
                                   xref-pulse-momentarily)
-  "Functions called after jumping to an xref."
+  "Functions called after jumping to an xref.
+Also see `xref-current-item'."
   :type 'hook)
 
 (defcustom xref-after-return-hook '(xref-pulse-momentarily)
@@ -490,7 +491,9 @@ To undo, use \\[xref-go-forward]."
   'xref-current-item
   "29.1")
 
-(defvar xref-current-item nil)
+(defvar xref-current-item nil
+  "Dynamically bound to the current item being processed.
+This can be used from `xref-after-jump-hook', for instance.")
 
 (defun xref-pulse-momentarily ()
   (pcase-let ((`(,beg . ,end)