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Bug#118427: TP: epo -- Miner mode to reduce the labour to edit code

On Tue, Nov 06, 2001 at 02:30:42PM -0500, Peter S Galbraith wrote:
You said: 
> > Anyways: it's legal for elisp code to have a GPL-incompatible license.
> > However, it's not legal to distribute GPLed emacs with such code if that
> > code is intended to be used with emacs to implement some program.
> If any non-trivial code makes a call to an Emacs function, even
> say 'buffer-substring', then do we consider that loaded code a
> GPL'ed library?  I guess that's the question.

Hmm. I was under the impression that xemacs had a different license.
However, the current xemacs is GPL'd.

If there are no non-GPLed implementations of the interfaces used by the
code, then, yeah, that's an issue.  [I seem to remember something about
tcl and elisp converging -- there might be an alternative license there.
Then again, maybe not..]

However, even if there are no non-GPLed implementations of the interfaces,
a trivial call to buffer-substring would not be worth worrying about.
If the code in question falls under fair use, copyright isn't an issue:
you need something substantial enough to be considered a copyrightable
work before copyright becomes an issue.


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