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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'>DEF with same value allows update or addition of fields of the multiply mentioned node</li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Provide a running example? What happens to the USE node when the next same DEF appears?</p><p class=MsoNormal>Joe</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:Leonard.Daly@realism.com">Leonard Daly</a><br><b>Sent: </b>Tuesday, May 19, 2020 5:07 PM<br><b>To: </b><a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a><br><b>Subject: </b>Re: [x3d-public] More than one DEF with same value</p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>John,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>DEFs names within a context need to be unique (see <a href="https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/concepts.html#DEFL_USESemantics">https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/concepts.html#DEFL_USESemantics</a>). The same DEF value may appear multiple times in a single XML file as long as each occurrence is in a different context. See link for a description of different contexts.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>Here’s my understanding of DEFed nodes. DEF creates one more parent node similar to USE, but another DEF with same value allows update or addition of fields of the multiply mentioned node, where USE does not.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>DEF nodes with the same DEF value may appear more than once in XML.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Okay?<o:p></o:p></p></div></blockquote><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>-- <br><b><span style='font-size:13.5pt;color:#333366'>Leonard Daly</span></b><span style='color:#333366'><br>3D Systems & Cloud Consultant<br>LA ACM SIGGRAPH Past Chair<br>President, Daly Realism - <i>Creating the Future</i> </span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>