[wp-trac] [WordPress Trac] #59432: Compliant with W3C coding standards

[WordPress Trac]

#59432: Compliant with W3C coding standards
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 Reporter:  agypten      |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  General      |     Version:  6.3.1
 Severity:  minor        |  Resolution:
 Keywords:               |     Focuses:
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Comment (by knutsp):

 Replying to [ticket:59432 agypten]:
 > When validating any WordPress site, warnings appear:
 > 1. Trailing slash on void elements has no effect and interacts badly
 with unquoted attribute values. Example: <meta name='robots'
 content='noindex, nofollow'/>
 > <link rel="alternate" href="https://samesite.com/" hreflang="US"/>
 > Also in tags img, button etc

 Since WordPress always use quoted attributes, this warning/notice should
 be ignored. The void element marker (/) is allowed, just "meaningless
 sugar", but not forbidden, in HTML5.

 Therefore, and since very old, non-xhtml ready, browsers are not
 supported, the very common space before the / is not needed, imho.

 The self-closing indicator just makes the markup a bit more XHTML friendly
 and a reminder to the human html source reader that the element cannot
 have content nor a separate closing tag, and in case some theme author
 want to (try to) serve XHTML5 application format.

 For the next points, yes, just remove, as just old and useless.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59432#comment:2>
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