>>>>> "y" == you CAN teach an old dog <itsme213 / hotmail.com> writes: y> http://www.hpl.hp.com/techreports/Compaq-DEC/SRC-RR-121.html Quickly look at it, and it seems similar to hygienic macros, see [ruby-talk:64328] http://www.ruby-talk.org/64328 Guy Decoux