Fix for character literals

When inside a vector or before white space, the escaped characters
weren't being formatted.

clojure-mode.el

@@ -862,14 +862,13 @@ any number of matches of `clojure--sym-forbidden-rest-chars'."))
          "\\>")
        0 font-lock-constant-face)
       ;; Character literals - \1, \a, \newline, \u0000
-      (,(rx "\\" (or any
-                    "newline" "space" "tab" "formfeed" "backspace"
-                    "return"
-                    (: "u" (= 4 (char "0-9a-fA-F")))
-                    (: "o" (repeat 1 3 (char "0-7"))))
-            word-boundary)
-       0 'clojure-character-face)
-
+      (,(rx (group "\\" (or any
+                            "newline" "space" "tab" "formfeed" "backspace"
+                            "return"
+                            (: "u" (= 4 (char "0-9a-fA-F")))
+                            (: "o" (repeat 1 3 (char "0-7")))))
+            (or (not word) word-boundary))
+       1 'clojure-character-face)
       ;; namespace definitions: (ns foo.bar)
       (,(concat "(\\<ns\\>[ \r\n\t]*"
                 ;; Possibly metadata, shorthand and/or longhand