(xref--insert-xrefs): Fix printing of line numbers

* lisp/progmodes/xref.el (xref--insert-xrefs):
Fix printing of line numbers when we have multiple files with
(e.g.) single match on the same line.

diff --git a/lisp/progmodes/xref.el b/lisp/progmodes/xref.el
index b7a926f82e0af0fd7b8093879e39b7fbcde4555a..e2cd904a6cde7d245c3ef27bef40800a87d5914d 100644 (file)
--- a/lisp/progmodes/xref.el
+++ b/lisp/progmodes/xref.el
@@ -959,7 +959,9 @@ GROUP is a string for decoration purposes and XREF is an
                              (prefix
                               (cond
                                ((not line) "  ")
-                               ((equal line prev-line) "")
+                               ((and (equal line prev-line)
+                                     (equal prev-group group))
+                                "")
                                (t (propertize (format line-format line)
                                               'face 'xref-line-number)))))
                         ;; Render multiple matches on the same line, together.