eslint/eslint — pull request #1230 by btmills (2014-09-08 17:50:32+00:00)
Title: Fix: Treat node.range as immutable in max-len (fixes #1224)

AST nodes should not be modified by rules. Instead pass a new range to `getSource()`. Open question: what's the best way to test this? Such a test would not be rule-specific.