[issue25258] HtmlParser doesn't handle void element tags correctly

[Ezio Melotti]

Ezio Melotti added the comment:

Note that HTMLParser tries to follow the HTML5 specs, and for this case they say [0]:
"Set the self-closing flag of the current tag token. Switch to the data state. Emit the current tag token."

So it seems that for <img />, only the <img> (and not the closing </img>) should be emitted.  HTMLParser has no way to set the self-closing flag, so calling handle_startendtag seems the most reasonable things to do, since it allows tree-builders to set the flag themselves.  That said, the default implementation of handle_startendtag should indeed just call handle_starttag, however this would be a backward-incompatible change.

[0]: http://www.w3.org/TR/html5/syntax.html#self-closing-start-tag-state

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type:  -> behavior

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<http://bugs.python.org/issue25258>
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