code: function comment(editor, range, modelType) {
  	const commentParts = modelComments[modelType];
  	editor.setTextInBufferRange(new Range(range.end, range.end), ` ${commentParts.after}`);
  	editor.setTextInBufferRange(new Range(range.start, range.start), `${commentParts.before} `);
  }
docs: Comments given node in text editor
  @param  {TextEditor} editor
  @param  {Range}      range
  @param  {String}     modelType