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[Bug 22227] New: Metadata names are not compared in a case-insensitive manner

From: <bugzilla@jessica.w3.org>
Date: Fri, 31 May 2013 10:17:42 +0000
To: www-validator-cvs@w3.org
Message-ID: <bug-22227-169@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=22227

            Bug ID: 22227
           Summary: Metadata names are not compared in a case-insensitive
                    manner
    Classification: Unclassified
           Product: Validator (Nu)
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: General
          Assignee: mike+validator@w3.org
          Reporter: ajh@pp.iij4u.or.jp
        QA Contact: www-validator-cvs@w3.org

Metadata names which have upper case characters in their WHATWG wiki
registrations do not validate.

For example:

<!DOCTYPE html><head><meta charset="utf-8">
<meta name="msapplication-TileColor" content="#d83434"/>
<meta name="WT.si_p" content="my_scenario_step_name" />
<title> </title></head><body><p> </p></body></html>

gives the errors:

Error: Bad value msapplication-TileColor for attribute name on element meta:
Keyword msapplication-tilecolor is not registered.
Error: Bad value WT.si_p for attribute name on element meta: Keyword wt.si_p is
not registered.

Both msapplication-TileColor and WT.si_p are listed at
http://wiki.whatwg.org/wiki/MetaExtensions

Ref:
http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#standard-metadata-names
4.2.5.1 Standard metadata names
[...]
Names are case-insensitive, and must be compared in an ASCII case-insensitive
manner.

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