I have seen this in so many languages and systems for either keywords, table names, and class names. I have yet to see something reserved that was actually implemented though.
One example...
rafael on 2004-03-04T20:35:23
...from the top of my head : "our" used to be reserved for future use in
perl.
MacBinary
bart on 2005-02-20T02:07:50
Check out the hiostory of the
MacBinary file format, a way to store Mac Classic files with both data and resource fork, into a flat (=data fork only, compatible with Windows/Unix systems) file. Newer extensions were filling in spaces left open in the first version "for future expansions".
