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Integrate pasted explanation of GPLv2§2(c).

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The tutorial did not previously have an adequate description of
GPLv2§2(c), so this pasted text is as good as any that I could think of,
although I reworded it slightly.

I chose to integrate this text *before* the discussion of GPLv2§2(b)
because the latter section requires so much attention, it seems
appropriate to get the less complex parts of GPLv2§2 out of the way
before diving into that essential discussion of GPLv2§2(b).
This commit is contained in:
Bradley M. Kuhn 2014-11-12 10:19:01 -05:00
parent b8f084be3a
commit 67bb09ea17
1 changed files with 10 additions and 10 deletions
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20
gpl-lgpl.tex
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@ -1599,19 +1599,19 @@ make proper support choices. Finally, GPLv2~\S2(a) serves an academic
purpose --- ensuring that future developers can use a diachronic purpose --- ensuring that future developers can use a diachronic
approach to understand the software. approach to understand the software.
%FIXME-URGENT: integrate GPLv2~\S2(c), a relatively simple section, requires that any program which
(before modification) ``normally reads commands interactively when run'' and
displays or prints legal information also display all copyright notices,
warranty disclaimer, modification indications and a pointer to the license,
even in modified versions. The requirement is relatively simple, and relates
to an important policy goal of copyleft: downstream users should be informed
of their rights. Its implications and details are straightforward and
simple.
section 2(c)
provides that if the program before modification ``normally reads commands
interactively when run'' and displays or prints legal information, all
copyright notices, warranty disclaimer, modification indications and a
pointer to the license text must be displayed or printed in interactive
use.
%FIXME-URGENT: end
\medskip \medskip
The second requirement (GPLv2~\S2(b)) contains the four short lines that embody Meanwhile, GPLv2~\S2(b) requires careful and extensive study. Its four short lines embody
the legal details of ``share and share alike''. These 46 words are the some of the essential legal details of ``share and share alike''. These 46 words are
considered by some to be the most worthy of careful scrutiny because considered by some to be the most worthy of careful scrutiny because
GPLv2~\S2(b), and they GPLv2~\S2(b), and they
can be a source of great confusion when not properly understood. can be a source of great confusion when not properly understood.