<p>I wanted to use the API in order to update a gpx_file details.<br>
The following is my PUT command body:</p>
<div class="highlight highlight-text-xml"><pre><<span class="pl-ent">osm</span> <span class="pl-e">version</span>=<span class="pl-s"><span class="pl-pds">'</span>0.6<span class="pl-pds">'</span></span> <span class="pl-e">generator</span>=<span class="pl-s"><span class="pl-pds">'</span>OpenStreetMap server<span class="pl-pds">'</span></span> <span class="pl-e">copyright</span>=<span class="pl-s"><span class="pl-pds">'</span>OpenStreetMap and contributors<span class="pl-pds">'</span></span> <span class="pl-e">attribution</span>=<span class="pl-s"><span class="pl-pds">'</span>http://www.openstreetmap.org/copyright<span class="pl-pds">'</span></span> <span class="pl-e">license</span>=<span class="pl-s"><span class="pl-pds">'</span>http://opendatacommons.org/licenses/odbl/1-0/<span class="pl-pds">'</span></span>>
      <<span class="pl-ent">gpx_file</span> <span class="pl-e">id</span>=<span class="pl-s"><span class="pl-pds">'</span>2466659<span class="pl-pds">'</span></span> <span class="pl-e">name</span>=<span class="pl-s"><span class="pl-pds">'</span>2014_02_15_1001_______________20140215_1001.gpx<span class="pl-pds">'</span></span> <span class="pl-e">lat</span>=<span class="pl-s"><span class="pl-pds">'</span>31.7165<span class="pl-pds">'</span></span> <span class="pl-e">lon</span>=<span class="pl-s"><span class="pl-pds">'</span>35.4505<span class="pl-pds">'</span></span> <span class="pl-e">visibility</span>=<span class="pl-s"><span class="pl-pds">'</span>private<span class="pl-pds">'</span></span>>
          <<span class="pl-ent">description</span>>2014-02-15 1001 עדינות צוקים__20140215_1001.gpx</<span class="pl-ent">description</span>>
          <<span class="pl-ent">tag</span>>tag0</<span class="pl-ent">tag</span>>
      </<span class="pl-ent">gpx_file</span>>
</<span class="pl-ent">osm</span>></pre></div>
<p>When using the above on a gpx file that does not have tags everything works as expected but when the using it on a gpx file that already has a tag the previous tag is not removed.</p>
<p>The same effect can be achieved when running this command twice - <code>tag0</code> will be added twice.</p>

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