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<th>Priority</th>
<td>medium
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<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - protocol xml: align interface version number with it's factory counterpart"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82126">82126</a>
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<th>Assignee</th>
<td>wayland-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Summary</th>
<td>protocol xml: align interface version number with it's factory counterpart
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Reporter</th>
<td>derijcke.erik@gmail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>wayland
</td>
</tr>
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<th>Product</th>
<td>Wayland
</td>
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<pre>Currently the xml defines factory interfaces with a version. Implicitly the
created object's interface should have the same version as the factory. However
the protocol xml does not align factory interface versions with the interfaces
of objects it creates.
This leads to confusing and cumbersome parsing because implicit rules and
restrictions have to be deduced from the protocol xml when generating bindings.
Example (1.5):
wl_compositor can be v3, has a create_region with new_id.
wl_region can be at most v1.
My suggestion is to align interface versions so that they match the interface
version of the factory that creates it.</pre>
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