<div dir="ltr"><div><span style="font-size:12.8000001907349px">Hi grid,</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">I'm happy to say that the discussion on XSD schema evolution resulted in agreement on method. In a nutshell:</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><span style="font-size:12.8000001907349px">1. Clients are do to best-effort parsing (discourage schema validation)</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">2. The XSD namespace is to be that of the major revision (x.0)</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">3. For version discovery, the precise version shall be included in the root element of the XSD and XML documents.</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">4. Tests & validators are still to use XML validation</span><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Paul Harrison has graciously offered to write up a note on our discussions that will be sent out for review.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Brian<br></span><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 16, 2015 at 11:18 AM, Brian Major <span dir="ltr"><<a href="mailto:majorb@nrc-cnrc.gc.ca" target="_blank">majorb@nrc-cnrc.gc.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">As a reminder, we will be holding a splinter session on Wednesday, 16:00–17:30 in the Gruener room (ground floor, Haus Sexton) to discuss best practices for XSD schema changes and backwards compatibility.<div><br></div><div>I would like to come to some agreement on this topic which can be documented for IVOA standards authors.<br><br>Hope to see you there,<br>Brian<br></div></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font size="2" color="#999999">Brian Major<br><br>Canadian Astronomy Data Centre<br>Centre canadien de données astronomiques<br><br>National Research Council Canada<br>Conseil national de recherches Canada</font></div></div>
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