Add <h> element · Issue #774 · w3c/html

We need a heading element without implicit order. We need a heading element that can be updated without being replaced. Please consider <h>. The <h> element is desired for situations where the “ranking” context changes for a heading, either before or after the source is sent to the browser. The current process of figuring out the appropriate “rank” of a heading is as unnecessary as requiring <li>

[Jxck]

<h> タグ、長い。。