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* On 2008-05-20 Ralph Hempel <rhempel@hempeldesigngroup.com> wrote  :

> Roberto Ierusalimschy wrote:
>>> Anybody know if there are plans to sell Programming In Lua, Second Edition,
>>> in electronic form?
>>
>> I've always wanted to make it available in electronic form, but I could
>> not find a reasonable way to do it. What format? How to sell?
>
> Have a look at the Drumlin PDF reader and secure PDF encoding

DRM simply does not work. Even *with* any form of encoding, it will be
hacked. If it can be displayed on a screen, it can - and will - be
copied.

-- 
:wq
^X^Cy^K^X^C^C^C^C