Make erc recognize `foo*' as a function Lisp symbol

* lisp/erc/erc-button.el (erc-button-alist): Add some more chars
to the `foo' button regexp (bug#49690).

diff --git a/lisp/erc/erc-button.el b/lisp/erc/erc-button.el
index cb9af92ba12583c1debfa8cea20fb8805525189e..4678e7b560934a57da37234477d6d716b35e94cc 100644 (file)
--- a/lisp/erc/erc-button.el
+++ b/lisp/erc/erc-button.el
@@ -130,7 +130,8 @@ longer than `erc-fill-column'."
     ("<URL: *\\([^<> ]+\\) *>" 0 t browse-url-button-open-url 1)
 ;;; ("(\\(\\([^~\n \t@][^\n \t@]*\\)@\\([a-zA-Z0-9.:-]+\\)\\)" 1 t finger 2 3)
     ;; emacs internal
-    ("[`]\\([a-zA-Z][-a-zA-Z_0-9]+\\)[']" 1 t erc-button-describe-symbol 1)
+    ("[`]\\([a-zA-Z][-a-zA-Z_0-9!*<=>+]+\\)[']"
+     1 t erc-button-describe-symbol 1)
     ;; pseudo links
     ("\\bInfo:[\"]\\([^\"]+\\)[\"]" 0 t Info-goto-node 1)
     ("\\b\\(Ward\\|Wiki\\|WardsWiki\\|TheWiki\\):\\([A-Z][a-z]+\\([A-Z][a-z]+\\)+\\)"