code: function(content, pos) {
  			var lineRange = this.findNewlineBounds(content, pos);
  			return this.getLinePadding(lineRange.substring(content));
  		}
docs: Helper function that returns padding of line of <code>pos</code>
  position in <code>content</code>
  @param {String} content
  @param {Number} pos
  @returns {String}