message: Avoid extra scrollbars in `scrollable-code-and-blockquote`
diff: -.comment-body :is(blockquote, pre) {
  +:root .comment-body :is(blockquote, pre) {
  position: relative; /* OctoLinker compat: attach the purple balls to the scroll */
  max-height: 30.5em;
  overflow-y: auto;
  -}
  -/* A tiny scroll bar appears when the last paragraph contains a `code` or `g-emoji` tag #3012 */
  -.comment-body blockquote {
  + /* A tiny scroll bar appears when the last paragraph contains a `code` or `g-emoji` tag #3012 #4597 */
  padding-bottom: 0.2em;
  }
  -.comment-body :is(details, blockquote) :is(blockquote, pre) {
  +:root .comment-body :is(details, blockquote) :is(blockquote, pre) {
  max-height: none;
  }
  