code: function(offset, newline){
      offset = offset || 0;
      newline = newline ? '\n' : '';
      this.buffer(newline + Array(this.indents + offset).join(this.pp));
      if (this.parentIndents)
        this.buf.push('pug_html = pug_html + pug_indent.join("");');
    }
docs: Buffer an indent based on the current `indent`
  property and an additional `offset`.
  
  @param {Number} offset
  @param {Boolean} newline
  @api public