[3.13] gh-135661: Fix parsing start and end tags in HTMLParser according to the HTML5 standard (GH-135930)#136256

serhiy-storchaka merged 1 commit intopython:3.13python/cpython:3.13from

miss-islington:backport-0243f97-3.13miss-islington/cpython:backport-0243f97-3.13Copy head branch name to clipboard