<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Hmm, I think the semicolon separated tags are necessarily ordered. Jochen has it a bit wrong in the blog with his example about coincident highways.</div><div class=""><br class=""></div><div style="widows: 1;" class="">For example US 1-9 by NYC is tagged `ref=<span style="widows: 1; background-color: rgb(255, 255, 255);" class=""><font color="#222222" face="Helvetica Neue, Arial, sans-serif" class="">US 1;US 9`. It would be a mistake to treat that as equivalent with US 9-1, as it’s definitely not called that nor signed that way: </font></span><a href="http://www.openstreetmap.org/way/51509994" class="">http://www.openstreetmap.org/way/51509994</a></div><div class=""><br class=""></div><div class="">I’m sure there are other examples of this, where the ordering of coincident highway refs would look totally wrong if reversed.</div><div class=""><br class=""></div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 27, 2016, at 11:36 AM, Frederik Ramm <<a href="mailto:frederik@remote.org" class="">frederik@remote.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Hi,<br class=""><br class="">On 01/27/2016 04:09 PM, Colin Smale wrote:<br class=""><blockquote type="cite" class="">I have created a proposal page as a channel for constructive debate<br class="">about the way forward. I hope you will all take a look and participate!<br class=""></blockquote><br class="">One thing that I would like to see discussed is ordering. For example in<br class="">the semicolon word, is "shop=a;b" the same as "shop=b;a" or does the<br class="">former mean that it is an "a" with attached "b" and the latter mean that<br class="">it is a "b" with an attached "a"?<br class=""><br class="">If a;b is identical to b;a then having both is of course a major pain<br class="">and would shift a lot of preprocessing work on tools like taginfo.<br class=""><br class="">On semicolons, also see<br class=""><a href="https://blog.jochentopf.com/2013-09-23-semicolons-in-osm-tags.html" class="">https://blog.jochentopf.com/2013-09-23-semicolons-in-osm-tags.html</a><br class=""><br class="">Bye<br class="">Frederik<br class=""><br class=""><br class="">-- <br class="">Frederik Ramm ## eMail frederik@remote.org ## N49°00'09" E008°23'33"<br class=""><br class="">_______________________________________________<br class="">Tagging mailing list<br class="">Tagging@openstreetmap.org<br class="">https://lists.openstreetmap.org/listinfo/tagging<br class=""></div></div></blockquote></div><br class=""></body></html>