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[Bug 4926] No support for application/vnd.recordare.musicxml+xml files

From: <bugzilla@wiggum.w3.org>
Date: Thu, 09 Aug 2007 02:26:56 +0000
To: www-validator-cvs@w3.org
Message-Id: <E1IIxjk-0002ev-L1@wiggum.w3.org>


           Summary: No support for application/vnd.recordare.musicxml+xml
           Product: Validator
           Version: 0.8.1
          Platform: PC
               URL: http://www.recordare.com/xml/samples/MahlFaGe4Sample.xml
        OS/Version: All
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: Types Registry
        AssignedTo: dave.null@w3.org
        ReportedBy: info@recordare.com
         QAContact: www-validator-cvs@w3.org

Overall description:

The W3C Validator does not support validating XML files with the new media type


This media type was registered today and is listed at:


We updated our web server to start serving our MusicXML files using this media
type. This works in Firefox and Internet Explorer, but it breaks the W3C
validator both in those Windows browsers and in Safari 2 on Mac OS 10.4.10.

Steps to reproduce:

1) Go to http://validator.w3.org/
2) Enter the following URL:


3) Click on Check.

Actual results:

A "Sorry! This document can not be checked." message is displayed, explaining
that this media type is not exported. 

Expected results:

Successful validation is expected, as was present when we were serving these as
application/xml files.

Additional information:

The MusicXML format is currently supported by over 75 applications and used by
hundreds of music software developers worldwide. We have recommended this new
version of the W3C validator as a great tool for those learning to write
MusicXML files. Lack of support for the MusicXML media type will be blocking
developers from effective MusicXML product testing.

I hope this is something that you can address quickly to restore the services
of this wonderful tool to the MusicXML developer community.

Thank you for your assistance, and please let me know if you need any further
Received on Thursday, 9 August 2007 02:27:07 UTC

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