maint: prepare to use date ranges in copyright notices.

[bison.git] / ChangeLog

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+2011-01-02  Joel E. Denny  <joeldenny@joeldenny.org>
+
+       maint: prepare to use date ranges in copyright notices.
+       * README (Copyright statements): New section explaining the range
+       notation.  The GNU coding standards require this explanation.  I
+       copied ours from coreutils.
+       * build-aux/update-b4-copyright: Revert 2010-06-17 changes that
+       disabled Bison's automated use of ranges.
+       * cfg.mk (update-copyright-env): Likewise.
+
 2011-01-02  Joel E. Denny  <joeldenny@joeldenny.org>
 
        Correct my email address.