On Tue, 4 Aug 2009, Chris Cannam wrote:
No, Steinburg wouldn't be held to the GPL... your user would.
Your users need special permission from you (the plug-in copyright holder)
in order to link your GPL program against a closed-source program.
Otherwise, it's your users who are making the violation.
For example, before Qt was GPL, the FSF issued a blanket permission and
retroactive "amnesty" for all FSF programs that have been linked against
the Qt toolkit. They did this because they didn't see Qt as has having a
compatible license... but people were linking GPL programs to it.
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