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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoPlainText>Thanks. Accepted as<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoPlainText style='mso-list:l0 level1 lfo1'>Mantis 1450: DEF and USE can only be used consistently with same type of node<o:p></o:p></li><li class=MsoPlainText style='mso-list:l0 level1 lfo1'>https://www.web3d.org/member-only/mantis/view.php?id=1450<o:p></o:p></li></ul><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>all the best, Don<o:p></o:p></p><p class=MsoPlainText><span style='font-size:9.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:9.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:9.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:9.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, navy robotics https://faculty.nps.edu/brutzman<o:p></o:p></span></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<br>From: x3d <x3d-bounces@web3d.org> On Behalf Of Spec Feedback<br>Sent: Friday, January 26, 2024 7:36 AM<br>To: x3d@web3d.org<br>Subject: [x3d] Spec Comment by vmarchetti on 19776-1: XML Encoding - V3.3</p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-- Submitter indicates that this comment may be public: *Yes* --<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Comment on 19776-1: XML Encoding - V3.3<o:p></o:p></p><p class=MsoPlainText>4.3.4<o:p></o:p></p><p class=MsoPlainText><a href="https://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/concepts.html#DEFAndUSEAttributeSyntax"><span style='color:windowtext;text-decoration:none'>https://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/concepts.html#DEFAndUSEAttributeSyntax</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----------------<o:p></o:p></p><p class=MsoPlainText>Recent posts to the X3D-Public mailing list have pointed out that there is a discrepancy among browsers in how they handle the DEF/USE statements if the XML elements in the XML encoding have disparate names.<o:p></o:p></p><p class=MsoPlainText><a href="http://web3d.org/pipermail/x3d-public_web3d.org/2024-January/020212.html"><span style='color:windowtext;text-decoration:none'>http://web3d.org/pipermail/x3d-public_web3d.org/2024-January/020212.html</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I recommend the XML encoding spec be edited, in the next standard submission cycle, to clarify that it is invalid for XML elements with different names (i.e. encoding different X3D nodes) to have matching values of DEF/USE<o:p></o:p></p><p class=MsoPlainText>attributes.)<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Proposed wording to be added to what is now Section 4.3.4 of the 19776-1 document at version 3.3:<o:p></o:p></p><p class=MsoPlainText><a href="https://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/concepts.html#DEFAndUSEAttributeSyntax"><span style='color:windowtext;text-decoration:none'>https://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/concepts.html#DEFAndUSEAttributeSyntax</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Suggest adding this text:<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----------------------------------------------------------------------------<o:p></o:p></p><p class=MsoPlainText>It is a validation error when an XML element with a DEF attribute matches another element's USE attribute but has a different XML element name.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Example of invalid XML encoding:<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>____________________________________________________________________________<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----------------<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Submitted on Friday, 2024, January 26 - 10:36am by vmarchetti (Vincent Marchetti )<o:p></o:p></p><p class=MsoPlainText>IP: 76.34.206.25<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>See: <a href="https://www.web3d.org/node/1694/submission/10124"><span style='color:windowtext;text-decoration:none'>https://www.web3d.org/node/1694/submission/10124</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>_______________________________________________<o:p></o:p></p><p class=MsoPlainText>x3d mailing list<o:p></o:p></p><p class=MsoPlainText><a href="mailto:x3d@web3d.org"><span style='color:windowtext;text-decoration:none'>x3d@web3d.org</span></a><o:p></o:p></p><p class=MsoPlainText><a href="http://web3d.org/mailman/listinfo/x3d_web3d.org"><span style='color:windowtext;text-decoration:none'>http://web3d.org/mailman/listinfo/x3d_web3d.org</span></a><o:p></o:p></p></div></body></html>