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Re: Spreading and/or selling compiled Perl/Tk applications

by moritz (Cardinal)
on Jun 24, 2008 at 11:47 UTC ( [id://693716]=note: print w/replies, xml ) Need Help??


in reply to Spreading and/or selling compiled Perl/Tk applications

I don't see a license information in the Tk distribution, nor in the documentation of the Tk module.

Your best bet is to contact the maintainer (he's know to be very responsive) and ask for a clarification of the license.

BTW you have to check the license of every module that you use, not just Tk.

Update: Found it now, it was just in a non-standard location. It's ini Tk/license.terms and says:

The authors hereby grant permission to use, copy, modify, distribute, and license this software and its documentation for any purpose, provided that existing copyright notices are retained in all copies and that this notice is included verbatim in any distributions. No written agreement, license, or royalty fee is required for any of the authorized uses. Modifications to this software may be copyrighted by their authors and need not follow the licensing terms described here, provided that the new terms are clearly indicated on the first page of each file where they apply.

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Re^2: Spreading and/or selling compiled Perl/Tk applications
by isync (Hermit) on Jun 24, 2008 at 12:20 UTC
    So, in general, one can say: I am allowed to do as I described - as long as I check the licenses on every module I use and as long as I do a copyright note with all the used-modules authors (if the license is as above). Right?
      I can't give you legal advise (it's illegal in Germany unless you're an attorney), all I can do is quote some files and hope that you understand them as intended.

      If you don't understand the license texts, it's best to consult an attorney anyway - relying on answers in internet forums isn't a very good idea when it comes to jurisdiction.

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