every other major copyleft *forces* you to allow later license versions
Posted Oct 2, 2006 4:20 UTC (Mon) by viro
In reply to: every other major copyleft *forces* you to allow later license versions
Parent article: Busy busy busybox
GPLv2 or later == giving up the expectations of always being able to
merge distributable modifications. Alice releases code under GPLv2 or
later. Bob uses that code in his project and makes modifications,
putting them under GPLv3. Carol does the same for her project and
makes modifications putting them under GPLv2. Both Bob and Carol
can distribute the results just fine. Alice, on the other hand,
can _not_ merge modifications from both sources - result will not
be legally distributable at all.
And for many people that ability to merge modifications back is
_the_ reason to use GPL on particular codebase.
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