This issue has not changed since 1.9 and the template is still not filtered and hence is not language sensitive. Not sure why though. The MDL-6635 reason is that the fields content would get filtered twice (see also MDL-9462). It seems however that it should be possible to filter the template before replacing the patterns with the fields content. You can open a tracker issue for that. I have added template formatting in the new version of the Dataform (for Moodle 2.6 or higher; not yet released), and it seems to work properly.
Database
Database Activity with multi language content
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