[9fans] troff diversions

I think of myself as pretty proficient with troff, but I never get diversions right. One fairly useless task I set for myself was to write a smart quote macro. By that I mean that I want the macro to put the quoted text into a diversion, check how many lines the quote would be when formatted as a

[9fans] creating my own bootable plan9 iso

Anyone got a script to generate a bootable plan9.iso cdrom image, the mkfiles in /sys/lib/dist seem quite labs-specific. -Steve