[TYPO3-dev] Extend existing extensions

[Franz Holzinger]

Sascha Bieler a écrit :
>> May be it is cached and not executed.
> Unfortunately not.
> 
> 
>> If there is no echo, then the XCLASS has not been called. You must check
>> with debug why the $GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS'] is
>> not set for pilmailform.
> When I debug($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']); I see that 
> everything is loaded fine in 4.1.5 but not in 4.1.6,
So this is a bug. You should give more details about this global variable.

> so the question is, how 
> to extend extensions the right way. Can I read about it somewhere?
We have a wiki about writing extensions:

wiki.typo3.org

- Franz