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[GNU-linux-libre] Non-Free SGML entity files
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From: |
stressware2 |
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Subject: |
[GNU-linux-libre] Non-Free SGML entity files |
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Date: |
Tue, 3 Nov 2015 10:58:30 +0100 |
The package sgml-common (sgml-data on Debian) includes non-Free files
in the sgml-iso-entities directory under the following licence:
'Permission to copy in any form is granted for use with conforming
SGML systems and applications as defined in ISO 8879, provided this
notice is included in all copies.'
Files under the same licence are also included in linuxdoc-tools in
the directories iso-entities/entities/ and entity-map/sdata/ (for
example ISOtech).
Furthermore, files in the directory
classpath/tools/resource/gnu/classpath/tools/gjdoc/dtd/ent/ in GCC are
based on these files.
The SGML entity files are needed to build documentation for several
projects.
It seems like it would be difficult to write the SGML entity files
much differently, so it is possible that they are not copyrightable.
Also, since Debian includes the files it is possible there has been
licence clarification or such at some point.