I'm familiar with a different C-- developed by Peter Cellik which appeared before the language in the article (1997). But the article has no mention of it. The

I'm familiar with a different C-- developed by Peter Cellik which appeared before the language in the article (1997). But the article has no mention of it. The discussion page of the article does mention there used to be many languages called C-- with similar ideas and the article only talks about a specific one