message: Updated comments in inlineHtmlImport for clarity around importBundleUrl checking.
diff: @@ -75,7 +75,9 @@ export async function inlineHtmlImport(
  return;
  }
  - // Guard against inlining a import we've already processed.
  + // If we've previously visited a url that is part of a bundle, it means we've
  + // handled that entire bundle, so we guard against inlining any other file
  + // from that bundle by checking the visited urls for the bundle url itself.
  if (visitedUrls.has(importBundleUrl)) {
  astUtils.removeElementAndNewline(htmlImport);
  return;
  