Хуёвый ебаный вербозный синтаксис.
[10:38:40]<l29ah> sub @openbsd
[10:38:40]<bnw.im> ERROR. Usage: subscribe <-u username|-t tag|-c club|-m message>
[10:38:43]<l29ah> sub -u @openbsd
[10:38:43]<bnw.im> ERROR. Option "user" doesnt meet the constraint "[0-9A-Za-z_-]+"
[10:38:47]<l29ah> sub -u openbsd
[10:38:47]<bnw.im> OK. Subscribed.