On Mon, Apr 6, 2015 at 4:47 PM, Nicolas Vervelle <nvervelle@gmail.com> wrote:
it seems that documentation about action=edit doesn't cover all possible results.

The result you quoted is not a response from action=edit. It appears to be from action=query with prop=info&inprop=protection:

https://fr.wikipedia.org/w/api.php?titles=Discussion:Ruud%20Jolie/%C3%80%20faire&action=query&prop=info&format=xmlfm&inprop=protection&continue=
 
<?xml version="1.0" encoding="UTF-8"?>
<api batchcomplete="">
  <query>
    <pages>
      <page ns="1" title="Discussion:Ruud Jolie/À faire" missing="" contentmodel="wikitext" pagelanguage="fr">
        <protection />
        <restrictiontypes>
          <rt>create</rt>
        </restrictiontypes>
      </page>
    </pages>
  </query>
</api>


--
Brad Jorsch (Anomie)
Software Engineer
Wikimedia Foundation