Rainer Schöpf of the CTAN team pointed out that there is a new version
of the LaTeX Project Public License, version 1.3,
http://www.latex-project.org/lppl/lppl-1-3.html. He stated that this
version is DSFG compliant, although I could not find this statement on
the web site.
The clauses relevant to FOP's ability to distribute hyphenation
patterns derived from files under the LPPL seem to be:
6. If you are not the Current Maintainer of the Work, you may
distribute a Derived Work provided the following conditions are met
for every component of the Work unless that component clearly states
in the copyright notice that it is exempt from that condition. Only
the Current Maintainer is allowed to add such statements of exemption
to a component of the Work.
a. If a component of this Derived Work can be a direct replacement
for a component of the Work when that component is used with the
Base Interpreter, then, wherever this component of the Work
identifies itself to the user when used interactively with that
Base Interpreter, the replacement component of this Derived Work
clearly and unambiguously identifies itself as a modified version
of this component to the user when used interactively with that
b. Every component of the Derived Work contains prominent notices
detailing the nature of the changes to that component, or a
prominent reference to another file that is distributed as part of
the Derived Work and that contains a complete and accurate log of
c. No information in the Derived Work implies that any persons,
including (but not limited to) the authors of the original version
of the Work, provide any support, including (but not limited to)
the reporting and handling of errors, to recipients of the Derived
Work unless those persons have stated explicitly that they do
provide such support for the Derived Work.
d. You distribute at least one of the following with the Derived Work:
1. A complete, unmodified copy of the Work; if your
distribution of a modified component is made by offering
access to copy the modified component from a designated
place, then offering equivalent access to copy the Work from
the same or some similar place meets this condition, even
though third parties are not compelled to copy the Work along
with the modified component;
2. Information that is sufficient to obtain a complete,
unmodified copy of the Work.
7. If you are not the Current Maintainer of the Work, you may
distribute a Compiled Work generated from a Derived Work, as long as
the Derived Work is distributed to all recipients of the Compiled
Work, and as long as the conditions of Clause 6, above, are met with
regard to the Derived Work.
10. a. A Derived Work may be distributed under a different license
provided that license itself honors the conditions listed in Clause
6 above, in regard to the Work, though it does not have to honor
the rest of the conditions in this license.
Clause 6.d.2 is a bit tricky I guess. The rest seems OK.
Note that the URL of the LPPL has been changed to
http://www.latex-project.org/lppl/ (listed on
home page: http://www.leverkruid.nl