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A PCRE internal error occured. This might be caused by a faulty plugin
June 6: Weekly meeting today. We discussed about the syntax: * Variable names can contain '-' and '/'. So, something like ${a+2} is not possible. * Decided we needed a formal document describing the syntax. June 7: Spent today writing down a formal grammar. Discussed it with Stefan, who suggested some changes, which I put in.
