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31 lines
1.2 KiB
Plaintext
31 lines
1.2 KiB
Plaintext
HOW TO MAINTAIN COPYRIGHT YEARS FOR GNU EMACS
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Maintaining copyright years is now very simple: every time a new year
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rolls around, add that year to every FSF (and AIST) copyright notice.
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There's no need to worry about whether an individual file has changed
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in a given year - it's sufficient that Emacs as a whole has changed.
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For more detailed information on maintaining copyright, see the file
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"copyright" in this directory.
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The previous policy was more complex, but is now only of historical
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interest (see versions of this file from before 2009).
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The refcards in etc/refcards can print only the latest copyright year,
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but should keep the full list in a comment in the source.
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"Our lawyer says it is ok if we add, to each file that has been in Emacs
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since Emacs 21 came out in 2001, all the subsequent years[1]. We don't
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need to check whether *that file* was changed in those years.
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It's sufficient that *Emacs* was changed in those years (and it was!).
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For those files that have been added since then, we should add
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the year it was added to Emacs, and all subsequent years."
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--RMS, 2005-07-13
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[1] Note that this includes 2001 - see
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<http://lists.gnu.org/archive/html/emacs-pretest-bug/2006-12/msg00119.html>
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