[wp-trac] [WordPress Trac] #47018: No error message provided upon incomplete input in Tags Administration Screen

[WordPress Trac]

#47018: No error message provided upon incomplete input in Tags Administration
Screen
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 Reporter:  conner_bw        |       Owner:  (none)
     Type:  enhancement      |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  General          |     Version:  5.1.1
 Severity:  normal           |  Resolution:
 Keywords:  has-screenshots  |     Focuses:  accessibility
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Comment (by afercia):

 > Sorry for the duplicated screenshot

 Removed it for you :)

 @conner_bw thanks for your report. User input validation is an important
 topic and required by at least a couple WCAG requirements to meet level AA
 (error identification, correction suggestions). As it is now, input
 validation in WordPress is definitely insufficient both server side and
 client side.

 It's certainly possible to try to fix the few cases where `validateForm()`
 is used. Wondering if a more general solution would be worth it. It would
 require some big refactoring though, especially in the way input fields
 are generated.

 Re: the browsers constraint validation API: WordPress still supports
 Internet Explorer 11, which unfortunately doesn't support the
 `reportValidity()` method.

 Will propose to discuss the general issue during next accessibility team
 meeting on Slack, on Friday at 15:00 UTC. Everybody's welcome.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47018#comment:4>
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