getting the whole codebase passing jslint again.

src/lexer.coffee

@@ -304,7 +304,7 @@ exports.Lexer = class Lexer
   # Sanitize a heredoc or herecomment by escaping internal double quotes and
   # erasing all external indentation on the left-hand side.
   sanitizeHeredoc: (doc, options) ->
-    while match = HEREDOC_INDENT.exec doc
+    while (match = HEREDOC_INDENT.exec(doc))
       attempt = if match[2]? then match[2] else match[3]
       indent = attempt if not indent or attempt.length < indent.length
     doc = doc.replace(new RegExp("^" +indent, 'gm'), '')

src/nodes.coffee

@@ -577,7 +577,7 @@ exports.RangeNode = class RangeNode extends BaseNode
     else
       clause = "#@fromVar <= #@toVar ?"
       body   = "var #i = #@fromVar; #clause #i <#@equals #@toVar : #i >#@equals #@toVar; #clause #i += 1 : #i -= 1"
-    post   = "{ #{result}.push(#i) };\n#{idt}return #result;\n#o.indent"
+    post   = "{ #{result}.push(#i); }\n#{idt}return #result;\n#o.indent"
     "(function() {#{pre}\n#{idt}for (#body)#post}).call(this)"
 
 #### SliceNode