Add <= to lispwords
<= is the closest thing we have to defun in this language so we should indent it
properly.
    
        | author | Steve Losh <steve@stevelosh.com> | 
    
        | date | Fri, 22 Jan 2016 10:45:09 +0000 | 
    
    
        | parents | b46964f00daf | 
    
        | children | 7959df37f096 | 
    
        | branches/tags | (none) | 
    
        | files | ftplugin/gdl.vim | 
Changes
    
--- a/ftplugin/gdl.vim	Fri Jan 22 10:40:44 2016 +0000
+++ b/ftplugin/gdl.vim	Fri Jan 22 10:45:09 2016 +0000
@@ -1,3 +1,5 @@
 setlocal foldmethod=marker foldmarker={{{,}}}
 setlocal lisp iskeyword+=?
 setlocal commentstring=;\ %s
+
+setlocal lispwords+=<=