Re: GNU Emacs function recenter-top-bottom
Mats Lidell writes:
Today I had another go at the recenter-top-bottom function and as
always, when you try to do something, new questions arise. So what do
you say about this:
- When we sync from GNU Emacs we should update, or insert if not
present, the FSF copyright notice?
Yes. That is a condition of the GPL: copyright notices must be
preserved.
- If the synced coded has been significantly changed then both the
FSF copyright notice and a "personal" copyright notice should be
updated?
Yes. Even if the only thing left of the GNU code is the argument list
and part of the docstring, it is a derivative of the GNU code and the
GPL applies. Your own copyright notice is a courtesy to downstream
users.
I think that assigning at least your core XEmacs code to the FSF is a
good idea (saves on updating personal copyrights, and opens the
possibility of a reverse sync to GNU, among other things), but that's
a personal decision.
Steve
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