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String COM_COMMUNITY_ACTIVITY_VIDEO_LINK_TITLE misses a space
Where the string COM_COMMUNITY_ACTIVITY_VIDEO_LINK_TITLE is used there's missing a space behind the user name. I fixed this by adding a space in the language override for German.
But I think the script itself should create a space after the username.
EDIT: The same counts for COM_COMMUNITY_ACTIVITIES_EVENT_ATTEND
yes, since this issue seems already fixed on our newest code (english version), but well.. if this issue happens on your germany I suggest you contact the germany transifex team
www.transifex.com/projects/p/jomsocial/language/de_DE/