]> Hi, On Thu, Jan 09, 2003 at 12:18:19PM +0100, Maas-Maarten Zeeman wrote: > EXTEND > expr: LEVEL "expr1" > [ [ "forever"; body=expr -> > <:expr< while true do { $body$ } >> ] ]; > END;; Not "true", but "True": in Revised syntax, which is used in quotations of syntax trees, the constructors "True" and "False" must start with an uppercase letter. If you write it with a lowercase letter, the generated syntax tree will represent the *variable* (not the *constructor*) named "true", which does not exist in OCaml. -- Daniel de RAUGLAUDRE http://cristal.inria.fr/~ddr/ ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners