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perl_license.txt
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perl_license.txt
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The "Perl Artistic License"
Preamble
The intent of this document is to state the conditions under which the Perl
Package may be copied, such that the Copyright Holder maintains some
semblance of artistic control over its development, while giving Perl users
the right to use and distribute Perl in a more-or-less customary fashion,
plus the right to make reasonable modifications.
Definitions:
"Package" refers to the collection of Perl-kit files distributed by the
Copyright Holder, and derivatives of that collection of files
created through textual modification.
"Standard Version" refers to such a Package if it has not been
modified, or has been modified as specified below.
"Copyright Holder" is whoever is named in the copyright or
copyrights for the Perl package.
"You" is you, if you're thinking about copying or distributing
this Package.
"Reasonable copying fee" is whatever you can justify on the
basis of media cost, duplication charges, time of people involved,
and so on. (You will not be required to justify it to the
Copyright Holder, but only to the computing community at large
as a market that must bear the fee.)
"Freely Available" means that no fee is charged for the item
itself, though there may be fees involved in handling the item.
It also means that recipients of the item may redistribute it
under the same conditions they received it.
1. You may make and give away verbatim copies of the source form of the
Standard Version of this Perl Package without restriction, provided that you
duplicate all of the original copyright notices and associated disclaimers.
2. You may apply bug fixes, portability fixes and other modifications
derived from the Public Domain or from the Copyright Holder. A Package
modified in such a way shall still be considered the Standard Version.
3. You may otherwise modify your copy of this Perl Package in any way,
provided that you insert a prominent notice in each changed file stating how
and when you changed that file, and provided that you do at least ONE of the
following:
a) place your modifications in the Public Domain or otherwise make them
Freely Available, such as by posting said modifications to Usenet or
an equivalent medium, or placing the modifications on a major archive
site such as uunet.uu.net, or by allowing the Copyright Holder to include
your modifications in the Standard Version of the Perl Package.
b) use the modified Perl Package only within your corporation or
organization.
c) rename any non-standard executables so the names do not conflict
with standard executables, which must also be provided, and provide
a separate manual page for each non-standard executable that clearly
documents how it differs from the Standard Version.
d) make other distribution arrangements with the Copyright Holder.
4. You may distribute the programs of this Perl Package in object code or
executable form, provided that you do at least ONE of the following:
a) distribute a Standard Version of the executables and library files,
together with instructions (in the manual page or equivalent) on where
to get the Standard Version.
b) accompany the distribution with the machine-readable source of
the Perl Package with your modifications.
c) accompany any non-standard executables with their corresponding
Standard Version executables, giving the non-standard executables
non-standard names, and clearly documenting the differences in manual
pages (or equivalent), together with instructions on where to get
the Standard Version.
d) make other distribution arrangements with the Copyright Holder.
5. You may charge a reasonable copying fee for any distribution of this
Perl Package. You may charge any fee you choose for support of this Perl
Package. You may not charge a fee for this Perl Package itself. However,
you may distribute this Perl Package in aggregate with other (possibly
commercial) programs as part of a larger (possibly commercial) software
distribution provided that you do not advertise this Perl Package as a
product of your own.
6. The scripts and library files supplied as input to or produced as
output from the programs of this Perl Package do not automatically fall
under the copyright of this Perl Package, but belong to whomever generated
them, and may be sold commercially, and may be aggregated with this Perl
Package.
7. C subroutines supplied by you and linked into this Perl Package in order
to emulate subroutines and variables of the language defined by this Perl
Package shall not be considered part of this Perl Package, but are the
equivalent of input as in Paragraph 6, provided these subroutines do
not change the language in any way that would cause it to fail the
regression tests for the language.
8. The name of the Copyright Holder may not be used to endorse or promote
products derived from this software without specific prior written permission.
9. This PERL PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
The End