keywords not updated after an update that doesn't change the file due to local changes

I have the following problem under Debian with the subversion 1.8.13-1
Debian package, but I don't think that this is Debian specific.

It seems that "svn update" doesn't update keywords when the local
modifications on the concerned file are the same as in the repository.

The problem occurs on something like that:

1. Do 2 checkout's of the repository, where there's some file "foo"
   has an Id keyword. -> wc1 and wc2.
2. In wc1, modify file "foo".
3. In wc1, do "svn commit".
4. In wc2, do the same modification.
5. In wc2, do "svn update".

At (5), the local changes and the changes from the repository are
merged, and the file is unchanged. But the Id keyword should have
been updated.

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Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)