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From: Ralph Corderoy <ralph@inputplus.co.uk>
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Date: Fri, 14 Jan 2022 13:35:45 +0000
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Subject: Re: [TUHS] Brian Kernighan and very early *roff history
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Hi aap,

> v6 has assembler sources for nroff and deleted directory entries of
> troff (and others):
>
> 00064e00: 6d01 726f 6666 332e 7300 0000 0000 0000  m.roff3.s.......
> 00064e10: 6c01 726f 6666 342e 7300 0000 0000 0000  l.roff4.s.......
> 00064e20: 6b01 726f 6666 352e 7300 0000 0000 0000  k.roff5.s.......
> 00064e30: 6a01 726f 6666 372e 7300 0000 0000 0000  j.roff7.s.......
> 00064e40: 6901 726f 6666 382e 7300 0000 0000 0000  i.roff8.s.......
> 00064e50: 0000 7375 6672 6300 0000 0000 0000 0000  ..sufrc.........
> 00064e60: 6701 7375 6674 6162 2e73 0000 0000 0000  g.suftab.s......
> 00064e70: 0000 7463 6174 7369 6d2e 7300 0000 0000  ..tcatsim.s.....
> 00064e80: 0000 7472 6300 0000 0000 0000 0000 0000  ..trc...........
> 00064e90: 0000 7472 6f66 6631 2e73 0000 0000 0000  ..troff1.s......

Are inodes 0x0168, etc., re-used elsewhere?  If so, it would be
interesting to where.

Or is there a chance they still hold useful information about blocks
which may contain troff content?

-- 
Cheers, Ralph.