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Comment by calloc | Hacker News Reader

    Heading (h1) should not be qualified.

Yes it should, especially if you are using HTML 5 and are using different heading sizes for different parts of your site... Otherwise an h1 in a header (tag) would look the same size as a h1 in an article (tag).

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I could be mistaken, but I think the idea is you only have one h1 per page. If you use an h1 in different contexts on different pages, the rules for those pages should probably be in different stylesheets as well, obviating the need to qualify them.

In HTML 5 you can use the h1 element multiple times. For example, lets say you are writing an article

  article
    h1
    h2

That is perfectly valid, now lets say you have an header that gets added before each article that contains some information such as author, time created/published

  header
    timedate
    h1 
      Article Title
    author
  article
    h1
    h2

This is valid HTML 5.

In HTML5, not only is it valid, but doing otherwise would break the document outline.

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