[security] Don't execute arbitrary functions (#146)

Marking values which validate functionp as "safe" meant that any file could potentially execute any code on the Emacs instance it's been opened on.  This commit removes this possibility.

Author: thblt

inf-clojure.el

@@ -1417,7 +1417,6 @@ which is able to parse results in list form only.  You can peek
 at its implementation for getting to know some utility functions
 you might want to use in your customization."
   :type 'function
-  :safe #'functionp
   :package-version '(inf-clojure . "2.1.0"))
 
 (defconst inf-clojure-clojure-expr-break-chars "^[] \"'`><,;|&{()[@\\^]"