 $ = require './jquery-extensions'
 _ = require './underscore-extensions'
 
-MEASURE_RANGE = document.createRange()
-TEXT_NODE_FILTER = { acceptNode: -> NodeFilter.FILTER_ACCEPT }
-NO_SCOPE = ['no-scope']
+MeasureRange = document.createRange()
+TextNodeFileter = { acceptNode: -> NodeFilter.FILTER_ACCEPT }
+NoScope = ['no-scope']
 
 # Private: Represents the entire visual pane in Atom.
 #

    obj[char]

  setCharacterWidthCache: (scopes, char, val) ->
    scopes ?= NO_SCOPE
    obj = Editor.characterWidthCache
    for scope in scopes
      obj[scope] ?= {}


  measureToColumn: (lineElement, tokenizedLine, column) ->
    left = oldLeft = index = 0
    iterator = document.createNodeIterator(lineElement, NodeFilter.SHOW_TEXT, TextNodeFileter)

    returnLeft = null

