[Typo3-dev] TER License Problem

[Alexander Langer]

Michael Scharkow wrote:

> Where did you get this from? I think Marshall Kirk McKusick is a 
> reliable source for this, and 

For example "The design and implementation of the 4.4BSD Operating 
system" by M. K. McKusick et. al., Pages 8ff.

The first versions of BSD were in fact modifications and enhancements of 
AT&T Unix, but still contained AT&T code.  The patches were freely 
available, but you were required to buy an AT&T source license to run it.

> Implementing an 
> API is *not* covered by any copyright license (but by software patents) 
> because you are not using *any* code.

Yep.

> does that mean for TYPO3: I can implement my own TYPO3 that can 
> interpret Typoscript and do what TYPO3 can, and nobody can prevent me 
> from doing that and making it a proprietary product. Isn't that good news?

Yep.

> 1. Pick a random extension from TER
> 2. look at ext_localconf.php
> 3. see 
> t3lib_extMgm::addPItoST43($_EXTKEY,"pi1/class.tx_myext_pi1.php","_pi1","list_type",0); 
> This is a call to a GPLed function, if you use it, you're deriving from 
> TYPO3.

Now I'm curious:  what if my properitary product provides the same function?

Ciao

Alex