ref: d09cf07a82cf4ffb846a31d0384e774b4c4661e1
dir: /appl/lib/plumbing.m/
Plumbing: module { PATH: con "/dis/lib/plumbing.dis"; Pattern: adt { field: string; pred: string; arg: string; extra: list of string; expand: int; regex: Regex->Re; }; Rule: adt { pattern: array of ref Pattern; action: array of ref Pattern; }; init: fn(regexmod: Regex, args: list of string): (list of ref Rule, string); };