code: function fixParagraphNode(node, fullText) {
      const firstNode = node.children[0];
      const lastNode = node.children[node.children.length - 1];
      node.range = [firstNode.range[0], lastNode.range[1]];
      node.raw = fullText.slice(node.range[0], node.range[1]);
      node.loc = {
          start: {
              line: firstNode.loc.start.line,
              column: firstNode.loc.start.column
          },
          end: {
              line: lastNode.loc.end.line,
              column: lastNode.loc.end.column
          }
      };
  }
docs: fill properties of paragraph node.
  @param {TxtNode} node - Paragraph node to modify
  @param {string} fullText - Full text of the document