A part of [Concurrency concepts]. See [http://research.microsoft.com/Users/luca/Papers/Polyphony%20ECOOP.A4.pdf]. What are some ways that Tcl provides support for async? [open], [exec] with &, and [fileevent]. ---- [TV] Hmm a pdf from Microsoft research. One of my university fellow students, which ''was'' toplevel at the time went to the city of grunge for such purpose in name, or to make money. The musical stuff dragged in the terminology doesn't try to hide certain connections, and doesn't conceil an almost complete lack of essential content in the paper it seems. Hoare (csp) is mentioned, that's allways useful, but don't forget that such principles are well implemented in part in the wonderful enough, and non-crashing, UNIX operating system, and some others, too. I mean they meant no shit in the seventies. The theoretical basis is not to impress the paper counters, but to back up why you built something a certain way, such as that one has mathematical reasoning and proof methods to apply to the work one does. Real ones, not politically inspired ones. ---- [Category Glossary]