ref: d0ab3a0dd8f6355b3603d0fb04043a9ae867639b
dir: /appl/spree/joinsession.m/
Joinsession: module { PATH: con "/dis/spree/joinsession.dis"; join: fn(ctxt: ref Draw->Context, mnt: string, dir: string, join: string): string; init: fn(ctxt: ref Draw->Context, argv: list of string); };