src/usr.bin/rcs/co.1 - diff

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Up to [local] / src / usr.bin / rcs

-version 1.22, 2006/03/06 09:41:53
+version 1.23, 2006/04/19 10:47:22
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  .Op Fl w Ns Op Ar user
  .Op Fl x Ns Ar suffixes
  .Op Fl z Ns Ar tz
- .Ar file ...
+ .Ar
  .Ek
  .Sh DESCRIPTION
  The
  .Nm
  program is used to check out revisions from RCS files.
- It always performs keyword substitution
+ .Pp
- (see
+ When a file is checked out,
- .Sx KEYWORD SUBSTITUTION
+ a copy is taken from the RCS repository,
- in
+ minus its RCS information,
+ and placed in the current working directory.
+ Files may be checked out as the most recent revision
+ or according to a specific revision,
+ using the
+ .Fl r
+ option.
+ .Pp
+ Files are checked out in one of two possible modes:
+ unlocked (the default) or locked (using the
+ .Fl l
+ option).
+ In unlocked mode, any user may check out the file for reading.
+ If changes are to be made to a file though,
+ it will have to be locked using the
+ .Fl l
+ option.
+ During this time,
+ no other users may check out the file whilst it is locked.
+ .Pp
+ .Nm
+ also supports
+ keyword substitution \(en
+ see the
  .Xr cvs 1
- for more information).
+ man page for more information.
  .Pp
  The following options are supported:
  .Bl -tag -width Ds