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12.5 Problems with the $Log$ keyword.

The $Log$ keyword is somewhat controversial. As long as you are working on your development system the information is easily accessible even if you do not use the $Log$ keyword—just do a cvs log. Once you export the file the history information might be useless anyhow.

A more serious concern is that CVS is not good at handling $Log$ entries when a branch is merged onto the main trunk. Conflicts often result from the merging operation.

People also tend to "fix" the log entries in the file (correcting spelling mistakes and maybe even factual errors). If that is done the information from cvs log will not be consistent with the information inside the file. This may or may not be a problem in real life.

It has been suggested that the $Log$ keyword should be inserted last in the file, and not in the files header, if it is to be used at all. That way the long list of change messages will not interfere with everyday source file browsing.