Add %, &, and | to iskeyword

These are valid symbol characters.

Author: guns

ftplugin/clojure.vim

@@ -17,7 +17,7 @@ set cpo&vim
 
 let b:undo_ftplugin = 'setlocal iskeyword< define< formatoptions< comments< commentstring< lispwords<'
 
-setlocal iskeyword+=?,-,*,!,+,/,=,<,>,.,:,$
+setlocal iskeyword+=?,-,*,!,+,/,=,<,>,.,:,$,%,&,\|
 
 " There will be false positives, but this is better than missing the whole set
 " of user-defined def* definitions.