Deletion of Seed7

Comment: So far the proponents for keeping this article have presented one, and only one, source for all the information about this programming language - the man Thomas Mertes himself. The Sourceforge site, the thesis - all are his work. By presenting only the self-published work of one person, the article is in blatant violation of our #Self-published sources (online and paper)|verifiability policy, which states that "''self-published books, personal websites, and blogs are largely not acceptable as sources
Stance: keep
Cited policy: Wikipedia:Verifiability (WP:V)