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(cvs.info)Updating a file

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Bringing a file up to date
==========================

   When you want to update or merge a file, use the `update' command.
For files that are not up to date this is roughly equivalent to a
`checkout' command: the newest revision of the file is extracted from
the repository and put in your working directory.

   Your modifications to a file are never lost when you use `update'.
If no newer revision exists, running `update' has no effect.  If you
have edited the file, and a newer revision is available, CVS will merge
all changes into your working copy.

   For instance, imagine that you checked out revision 1.4 and started
editing it.  In the meantime someone else committed revision 1.5, and
shortly after that revision 1.6.  If you run `update' on the file now,
CVS will incorporate all changes between revision 1.4 and 1.6 into your
file.

   If any of the changes between 1.4 and 1.6 were made too close to any
of the changes you have made, an "overlap" occurs.  In such cases a
warning is printed, and the resulting file includes both versions of
the lines that overlap, delimited by special markers.  Note: update,
for a complete description of the `update' command.