When to evaluate dual licenses

[Matthew Flaschen]

Chuck Swiger wrote:
> On Dec 13, 2007, at 2:23 PM, Matthew Flaschen wrote:
>> Chuck Swiger wrote:
>>>> This is not the FSF's view (they claim that even optional use of
>>>> Readline means that the program falls under the requirements of the
>>>> GPL).
>>>
>>> Indeed, for example see:
>>>
>>>  http://www.gnu.org/licenses/why-not-lgpl.html
>>
>> Where does that talk about programs that use Readline optionally?
> 
> 
> The section about "limiting its use to free programs"; the complete
> paragraph is:
> 
> "However, when a library provides a significant unique capability, like
> GNU Readline, that's a horse of a different color. The Readline library
> implements input editing and history for interactive programs, and
> that's a facility not generally available elsewhere. Releasing it under
> the GPL and limiting its use to free programs gives our community a real
> boost. At least one application program is free software today
> specifically because that was necessary for using Readline."

It doesn't say that program used it optionally.

Matt Flaschen