Mark the icon in the index as untranslatable, but the fallback text as
translatable.
<page xmlns="http://projectmallard.org/1.0/"
xmlns:e="http://projectmallard.org/experimental/"
+ xmlns:its="http://www.w3.org/2005/11/its"
type="guide"
id="index">
</info>
<title>
- <media type="image" mime="image/png" src="figures/empathy-logo.png">
- Empathy Internet Messenger logo
+ <media type="image" mime="image/png" src="figures/empathy-logo.png" its:translate="no">
+ <span its:translate="yes">Empathy Internet Messenger logo</span>
</media>
Empathy Internet Messenger
</title>