[OSM-newbies] OSMChange Version Attribute for new elements

[Tac Tacelosky]

Is a version number required for new elements?  I'm looking at the example
at the end of

http://wiki.openstreetmap.org/wiki/OsmChange

I understand that you get the changeset id from a create call, and that you
use unique negative numbers for the related new elements within a
changeset, but I don't understand why I need to pass version and timestamp.
 The examples show a timestamp from before the 0.6 API was released, and
version numbers larger than 1.

I'm working on a tool to update OSM based on appropriately-licensed
geocoded photos (at the moment, photos I've taken), and want to make sure I
understand the proper way to update the database.

Thanks,

Tac

Here's the section from that page I'm finding confusing.:

For the /api/0.6/changeset/#id/upload API call to work correctly, you have
to include the changeset ID and version number in every node, way and
relation, like so:

<osmChange version="0.6" generator="Osmosis">
   <create>
       <node id="-1" timestamp="2007-01-02T00:00:00.0+11:00"
lat="-33.9133118622908" lon="151.117335519304" *changeset="1234"*
*version="12"*/>
       <way id="-3" timestamp="2007-01-02T00:00:00.0+11:00"
*changeset="1234"* *version="32"*>
           <nd ref="-1"/>
           <nd ref="-2"/>
       </way>
   </create>
</osmChange>
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