In July 2014 the layout of /usr/share/doc was drastically rearranged.
Because of the lack of rename support in CVS, the source dirs for the
docs have not yet been rearranged to match. (And also, many of the
source dirs are scattered across the tree and are hard to find
anyhow.)
The following is a hopefully complete list of the /usr/share/doc docs
and where they come from. For things in external, I've listed where
the makefiles that install the docs are; these point to the doc
sources, which are usually somewhere somewhat different.
Reference docs (in /usr/share/doc/reference/ref[1-9])
------------------------------------------------------------
ref1/atf src/external/bsd/atf
ref1/bzip src/lib/libbz2
ref1/config src/share/doc/smm/config
ref1/csh src/bin/csh/USD.doc
ref1/ex src/external/bsd/nvi/docs/USD.doc/exref
ref1/gprof src/usr.bin/gprof/PSD.doc
ref1/kyua/* src/external/bsd/kyua-*/share/doc/kyua-*
ref1/mail src/usr.bin/mail/USD.doc
ref1/make src/usr.bin/make/USD.doc
ref1/roff/memacros src/share/doc/usd/19.memacros
ref1/roff/meref src/share/doc/usd/20.meref
ref1/roff/msdiffs src/share/doc/usd/18.msdiffs
ref1/roff/msmacros src/share/doc/usd/17.msmacros
ref1/roff/mom src/gnu/usr.bin/groff/contrib/mom/momdoc
ref1/roff/mom_examples src/gnu/usr.bin/groff/contrib/mom/examples
ref1/sh src/bin/sh/USD.doc
ref1/vi src/external/bsd/nvi/docs/USD.doc/vi.ref
ref3/curses src/lib/libcurses/PSD.doc
ref3/sysman src/share/doc/psd/05.sysman
ref3/sockets src/share/doc/psd/20.ipctut
ref3/sockets-advanced src/share/doc/psd/21.ipc
ref6/rogue src/games/rogue/USD.doc
ref6/trek src/games/trek/USD.doc
ref7/quotas src/share/doc/smm/04.quotas
ref8/bind9 src/external/bsd/bind/bin/html
ref8/lpd src/usr.sbin/lpr/SMM.doc
ref8/ntp src/external/bsd/ntp/html
ref8/postfix src/external/ibm-public/postfix/share/html
ref8/timedop src/usr.sbin/timed/SMM.doc/timedop
ref8/timed src/usr.sbin/timed/SMM.doc/timed
ref9/net src/share/doc/smm/18.net
ref9/nfs src/share/doc/smm/06.nfs
Papers (in /usr/share/doc/papers)
------------------------------------------------------------
mckusick84-ffs src/share/doc/smm/05.fastfs
mckusick85-fsck src/sbin/fsck_ffs/SMM.doc
morris78-password src/share/doc/smm/17.password
User supplementary documents (in /usr/share/doc/usd)
------------------------------------------------------------
beginner src/share/doc/usd/01.begin
ed external/bsd/nvi/docs/USD.doc/edit
vi external/bsd/nvi/docs/USD.doc/vitut
System manager manual (in /usr/share/doc/smm)
------------------------------------------------------------
(none)
Programmer supplementary documents (in /usr/share/doc/psd)
------------------------------------------------------------
(none)
Here is a list of the historic documents as of just before the reorg:
------------------------------------------------------------
usd/01.begin kept in USD
usd/02.learn missing
usd/03.shell -> ref1/sh
usd/04.csh -> ref1/csh
usd/05.dc missing
usd/06.bc missing
usd/07.mail -> ref1/mail
usd/08.mh missing
usd/09.edtut missing
usd/10.edadv missing
usd/11.edit kept in USD
usd/12.ex -> ref1/ex
usd/12.vi kept in USD
usd/13.viref -> ref1/vi
usd/14.jove missing
usd/15.sed missing
usd/16.awk missing
usd/17.msmacros -> ref1/roff/msmacros
usd/18.msdiffs -> ref1/roff/msdiffs
usd/19.memacros -> ref1/roff/memacros
usd/20.meref -> ref1/roff/meref
usd/21.troff missing
usd/22.trofftut missing
usd/23.eqn missing
usd/24.eqnguide missing
usd/25.tbl missing
usd/26.refer missing
usd/27.invert missing
usd/28.bib missing
usd/29.diction missing
usd/30.rogue -> ref6/rogue
usd/31.trek -> ref6/trek
smm/01.setup kept (for now) in SMM
smm/02.config -> ref1/config
smm/03.fsck_ffs -> papers/mckusick85-fsck
smm/04.quotas -> ref7/quotas
smm/05.fastfs -> papers/mckusick84-ffs
smm/06.nfs -> ref9/nfs
smm/07.lpd -> ref8/lpd
smm/11.timedop -> ref8/timed
smm/12.timed -> ref5/timed
smm/13.amd missing
smm/16.security missing
smm/17.password -> papers/morris78-password
smm/18.net -> ref9/net
(It is not clear what happened to SMM docs 8-10, 14-15, and 19+.)
psd/01.cacm missing
psd/02.implement missing
psd/03.iosys missing
psd/04.uprog missing
psd/05.sysman -> ref3/sysman
psd/06.Clang missing
psd/07.pascal missing
psd/08.f77 missing
psd/09.f77io missing
psd/10.gdb missing
psd/11.adb missing
psd/12.make -> ref1/make
psd/13.rcs missing
psd/14.sccs missing
psd/15.yacc missing
psd/16.lex missing
psd/17.m4 missing
psd/18.gprof -> ref1/gprof
psd/19.curses -> ref3/curses
psd/20.ipctut -> ref3/sockets
psd/21.ipc -> ref3/sockets-advanced
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