Magnus Hagander wrote:
> Well, because it allows the user as well as other programs to
> identify what version of a file is installed.

psql --version

> For error-checking
> purposes (which DLL version is really there? And debugger will also
> tell you which version of the DLL is actually loaded in the process
> working space if yo uhave more than one on your system),

OK, that should go into the DLL, just as it goes into shared libraries 
on Unix.  But then you need to use the actual shared library versions 
that we use.

> software
> distribution (all installers are required to check this field to make
> sure they don't overwrite a file with an older version), software
> inventory, the list goes on.

This is the packager's business, not ours.

Peter Eisentraut

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