ZyXEL Communications NSA221 User Manual page 560

Appendix E Open Source Licences
6. Certain parts of this software may be protected by patents. It
is the users' responsibility to obtain the appropriate
licenses before using those parts.
If this compilation is used in object code form in an application
software, acknowledgement of the author is not required but would be
appreciated. The contribution of any useful modifications or extensions
to Wei Dai is not required but would also be appreciated.
This Product includes wxWidgets 2.8.9 and wxWidgets 2.9.0 software under below
license
Licence
Background
wxWidgets is currently licensed under the "wxWindows Licence" pending approval of the "wxWidgets Licence" which will be
identical apart from the name.
The wxWindows Licence is essentially the L-GPL (Library General Public Licence), with an exception stating that derived works
in binary form may be distributed on the user's own terms. This is a solution that satisfies those who wish to produce GPL'ed soft-
ware using wxWidgets, and also those producing proprietary software.
Participants in the discussion that led to this decision include the folk from
Abisource, Robert Roebling, Julian Smart, Markus Fleck, Karsten Ballueder, and
some advice from Richard Stallman. Richard has confirmed that the new licence is
compatible with GPL'ed applications. However, there are no significant restrictions
on proprietary applications.
The wxWindows Licence has been approved by the Open Source Initiative, and
you can find the licence on their site here.
In August 2005, an ambiguity in Clause 2 was removed (replaced "the user's" with
"your") and the version bumped to 3.1.
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NSA221 User's Guide