Simplify detection of ancestor with a single selector

per review suggestion

Co-authored-by: François Daoust <[email protected]>

src/core/inlines.js

@@ -148,7 +148,7 @@ function inlineXrefMatches(matched, text) {
  // If it's inside a dfn or a `a`, it should just be coded, not linked.
  // This is because dfn elements are treated as links by ReSpec via role=link.
  const renderAsCode =
- !!text.parentElement.closest("dfn") || !!text.parentElement.closest("a");
+ !!text.parentElement.closest("dfn,a");
  return renderAsCode ? inlineCodeMatches(`\`${node.textContent}\``) : node;
 }