douglascrockford/JSLint — pull request #136 by jamesallardice (2012-12-05 16:29:06+00:00)
Title: Disallows the use of reserved words as variable or function declaration ...

...identifiers. Currently, no warning is given for such use of reserved words when the es5 option is set to true. See https://github.com/jshint/jshint/issues/744 for more details