Support #^ metadata syntax

Author: yuhan0

clojure-mode.el

@@ -1994,7 +1994,7 @@ Returns a list pair, e.g. (\"defn\" \"abc\") or (\"deftest\" \"some-test\")."
 \"Non-logical\" sexp are ^metadata and #reader.macros."
   (comment-normalize-vars)
   (comment-forward (point-max))
-  (looking-at-p "\\^\\|#:?:?[[:alpha:]]"))
+  (looking-at-p "\\(?:#?\\^\\)\\|#:?:?[[:alpha:]]"))
 
 (defun clojure-forward-logical-sexp (&optional n)
   "Move forward N logical sexps.