[Bug 785923] Review Request: xgap - GUI for GAP

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https://bugzilla.redhat.com/show_bug.cgi?id=785923

--- Comment #2 from Jerry James <loganjerry at gmail.com> 2012-02-15 18:32:11 EST ---
(In reply to comment #1)
> Being a GUI application, this package needs a desktop file.

Good point.  I'll create one soon.

> It seems to me, the official website is
> 
> http://www.gap-system.org/Packages/xgap.html

Everything under http://www.gap-system.org/Packages/ represents an attempt by
the GAP developers to find and copy GAP packages to one place.  However, their
copies are often out of date.  For that reason, I have been following the "WWW
homepage" links on those pages to find the real upstream for each package. 
Note that the "WWW homepage" link on the XGap page is broken.  It points to Max
Neunhöffer's old web page.  So I did a Google search for his current web page,
found his XGap page, and listed that as the home page.  I think that makes
sense; it is the author's own web page for the package.

> and they also offer a bzip tarball:
> 
> ftp://ftp.gap-system.org/pub/gap/gap4/tar.bz2/packages/xgap4r21.tar.bz2

Hmmm, I'm not sure if I should use that, since that is a repacking of the
upstream sources by a 3rd party.

> Where did you find out about the license?

In the manual; see doc/manual.pdf.  The title page says, "We adopt the
copyright regulations of GAP as detailed in the copyright notice in the GAP
manaul."  The GAP manual's copyright notice specifies GPL version 2 or any
later version; see /usr/share/gap/doc/ref/manual.pdf, page 19.

This appears to be common amongst GAP packagers.  Many of the packages carry
that identical phrase somewhere in the documentation.

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