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I have a html document:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" >
In it I have tags such as
<br />
But Im reading that this tag is an XHTML element. Yet it still works why?
Browsers failed to implement parsers that correctly handled HTML 4 and earlier.
They should have treated
<br/>as “A br element followed by a greater than sign”, but instead implemented it as “A br element with a/attribute, what’s a/attribute? We’ll drop it”. This led to the feature being marked as something to avoid.XHTML then exploited the bug for HTML-Compatible XHTML.
HTML 5 then redefined it as syntactic sugar so the XHTML junkies could keep on using the syntax they were used to.