s9y/additional_plugins — comment on commit f25165fa5cd9509f9cf12f4e2ae551227cac704a
File: serendipity_event_oembed/OEmbedTemplater.php line 21
By garvinhicking:

Right, for s9y versions from yesterday this is no longer needed. In a few weeks, when 1.7 alpha users have this recent version, you could remove this if check alltogether.