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Library is not restricted, and output from such a program is covered only if its
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Library does and what the program that uses the Library does.
1. You may copy and distribute verbatim copies of the Library's complete
source code as you receive it, in any medium, provided that you conspicuously
and appropriately publish on each copy an appropriate copyright notice and
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to the absence of any warranty; and distribute a copy of this License along with
the Library.
You may charge a fee for the physical act of transferring a copy, and you may at
your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Library or any portion of it, thus
forming a work based on the Library, and copy and distribute such
modifications or work under the terms of Section 1 above, provided that you
also meet all of these conditions:
a) The modified work must itself be a software library.
b) You must cause the files modified to carry prominent notices stating
that you changed the files and the date of any change.
c) You must cause the whole of the work to be licensed at no charge to
all third parties under the terms of this License.
d) If a facility in the modified Library refers to a function or a table of
data to be supplied by an application program that uses the facility,
other than as an argument passed when the facility is invoked, then you
must make a good faith effort to ensure that, in the event an application
does not supply such function or table, the facility still operates, and
performs whatever part of its purpose remains meaningful. (For
example, a function in a library to compute square roots has a purpose
that is entirely well‐defined independent of the application. Therefore,
Subsection 2d requires that any application‐supplied function or table
used by this function must be optional: if the application does not supply
it, the square root function must still compute square roots.)
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sections of that work are not derived from the Library, and can be reasonably
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