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Bug 26433 - Parser interperates data-id tags as id tags
Summary: Parser interperates data-id tags as id tags
Status: NEW
Alias: None
Product: Validator
Classification: Unclassified
Component: Parser (show other bugs)
Version: HEAD
Hardware: PC Windows NT
: P2 major
Target Milestone: ---
Assignee: This bug has no owner yet - up for the taking
QA Contact: qa-dev tracking
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Reported: 2014-07-25 05:16 UTC by jered
Modified: 2014-07-25 05:16 UTC (History)
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Description jered 2014-07-25 05:16:07 UTC 
example website http://2014.perthfestival.com.au/
(exposes bug as of 25/07/2014)

The site makes use of the HTML5 'data' tag construct. There are many elements in the site which have a 'data-id' tag to store their database id. All database id's in the site are integers as a result the data-id tag is always an integer with no characters.

The validator.w3c.org engine alerts on every 'data-id' because it fails the requirements for and 'id' tag.

The data construct is purpose built to allow unregulated data to be held in html elements and access by javascript. There fore 'data-id' has no requirements and is a completely different type of tag to 'id'.

My best guess at the problem is that there is a regex search for the 'id' tag which does not take into account whether or not it is preceded by 'data-'.