message: Simple auto-indent
  As a starters: indents all begin--end blocks.
diff: ["\"", "\""],
  ["'", "'"],
  ["$", "$"]
  - ]
  + ],
  + "indentationRules": {
  + "increaseIndentPattern": "(\\\\begin{(?!document))|(\\\\documentclass)",
  + "decreaseIndentPattern": "(\\\\end{)|(\\\\begin{document})"
  + }
  }
  