message: Fix newline on edit messages with quotes
diff: @@ -56,12 +56,6 @@ function isAllowedHtmlTag(node: commonmark.Node): boolean {
  function isMultiLine(node: commonmark.Node): boolean {
  let par = node;
  while (par.parent) {
  - // commonmark Parser separate quotes with blank quoted lines between them with
  - // paragraphs, so we need to consider it when the markdown is only a multiline quote.
  - if (par.type === 'block_quote') {
  - break;
  - }
  -
  par = par.parent;
  }
  return par.firstChild != par.lastChild;
  @@ -135,7 +129,10 @@ export default class Markdown {
  // 'inline', rather than unnecessarily wrapped in its own
  // p tag. If, however, we have multiple nodes, each gets
  // its own p tag to keep them as separate paragraphs.
  - if (isMultiLine(node)) {
  + // However, if it's a blockquote, adds a p tag anyway
  + // in order to avoid deviation to commonmark and unexpected
  + // results when parsing the formatted HTML.
  + if (node.parent.type === 'block_quote'|| isMultiLine(node)) {
  realParagraph.call(this, node, entering);
  }
  };
  