remove prototypes with no matching function and externs with no var
partly checked by millert@

kill const and string artithmetic related warnings; ok millert@

Implement Mdocdate keyword substitution.
In particular, this stops rcsdiff(1) and CVSweb from showing
wrong Mdocdate lines in diffs.
Problem originally reported by tj@.
OK tobias@ otto@ millert@

properly handle commitid tokens found in rcs files

ok deraadt

Replace the keyword expansion code with a faster, more readable version
which additionally also supports $Log$ and $Locker. Written by Joerg
Sonnenberger and tweaked by me.

ok ray

Remove a bunch of unused functions, from Michael W Bombardieri.

ok ray

Remove the need for rp_file in parser structure, instead keep only one
FILE pointer in RCSFILE. This fixes some ugliness in closing an
fdopen()ed FILE and its underlying file descriptor.

Notified b

Remove the need for rp_file in parser structure, instead keep only one
FILE pointer in RCSFILE. This fixes some ugliness in closing an
fdopen()ed FILE and its underlying file descriptor.

Notified by Joerg Sonnenberger <joerg at britannica dot bec to de>

discussed with and ok nicm

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Zapped unused function rcs_tag_resolve.

ok xsa

rcs_state_check must check for more invalid characters than just space.

ok nicm

Removed ra_uid, which was supposed to save the uid of a delta's author.
Is not used and not useful.

ok xsa, zinovik

Reduce variable/function name and whitespace differences between
cvs/rcs.

OK xsa zinovik

From src/usr.bin/cvs:

> add changed lines support to log and rlog (the + and - stuff)
> from Pierre Riteau;

Revert last patch and add this magic branch number only during
output, this way we don't have to hassle in our internal brach handling.

OK joris@

As done in OpenCVS, general includes cleanup sweep. OK otto@.

- correctly handle binary files; say bye bye to using c strings for deltatexts.

"slap it in" joris@

Rename RCSFILE.fd to RCSFILE.rf_fd, plus minor spacing nits. No
binary change.

OK xsa@

first round of rcs_write() cleanup; prodded by joris@; input/OK ray@.

prevent file races by obtaining an fd for the RCS file and
do our operations on that, this is safe and guarantees we
can operate on the file until we close(2) it.

a fix is coming for the remaining r

prevent file races by obtaining an fd for the RCS file and
do our operations on that, this is safe and guarantees we
can operate on the file until we close(2) it.

a fix is coming for the remaining races in our diff code.
okay niallo@ and ray@

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fork our code we shared between openrcs/cvs into the openrcs dir.

this was starting to become inhuman to maintain without
ugly ugly hacks in the shared code, and it will be easier
to make specific c

fork our code we shared between openrcs/cvs into the openrcs dir.

this was starting to become inhuman to maintain without
ugly ugly hacks in the shared code, and it will be easier
to make specific changes for openrcs without touching the
soon-to-be-replaced opencvs code.

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