Hi Michael,
I think section 4 of the Apache License 2.0 answers this pretty well,
but it doesn't seem to differentiate between large-scale changes and
trivial little ones, so I would think this applies regardless...
4. Redistribution. You may reproduce and distribute copies of the Work
or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You meet the
following conditions:
a. You must give any other recipients of the Work or Derivative Works
a copy of this License; and
b. You must cause any modified files to carry prominent notices
stating that You changed the files; and
c. You must retain, in the Source form of any Derivative Works that
You distribute, all copyright, patent, trademark, and attribution
notices from the Source form of the Work, excluding those notices that
do not pertain to any part of the Derivative Works; and
d. If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must include
a readable copy of the attribution notices contained within such NOTICE
file, excluding those notices that do not pertain to any part of the
Derivative Works, in at least one of the following places: within a
NOTICE text file distributed as part of the Derivative Works; within the
Source form or documentation, if provided along with the Derivative
Works; or, within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents of the
NOTICE file are for informational purposes only and do not modify the
License. You may add Your own attribution notices within Derivative
Works that You distribute, alongside or as an addendum to the NOTICE
text from the Work, provided that such additional attribution notices
cannot be construed as modifying the License.
You may add Your own copyright statement to Your modifications and may
provide additional or different license terms and conditions for use,
reproduction, or distribution of Your modifications, or for any such
Derivative Works as a whole, provided Your use, reproduction, and
distribution of the Work otherwise complies with the conditions stated
in this License.
Hope that helps!
Frank
Michael Jouravlev wrote:
If I am rewriting existing code, copyrighted by Apache, should I
change the copyright? ;) Some code is heavily modified, some is just
barely.
Michael.
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Frank W. Zammetti
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Omnytex Technologies
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