[TYPO3-dev] No extension keys startiing with u!?!?!?

[Benjamin Mack]

Hey,

here is not an explanation but the documentation about this issue:

Extension key
----
The “extension key” is a string uniquely identifying the extension. The 
folder where the extension resides is named by this string. The string 
can contain characters a-z0-9 and underscore. No uppercase characters 
should be used (keeps folder-,file- and table/field-names in lowercase). 
Furthermore the name must not start with an “tx” or “u” (this is 
prefixes used for modules) and because backend modules related to the 
extension should be named by the extension name without underscores, the 
extension name must still be unique even if underscores are removed 
(underscores are allowed to make the extension key easily readable).
----

Also:
----
Project specific extensions (not generally usable or shareable): Select 
any name you like and prepend it “user_” (which is the only allowed use 
of a key starting with “u”). ...
----

both from TYPO3 Core APIs (p. 24ff).

Looks like this is done for legacy reasons - and why should one not hold 
on to the guidelines TYPO3 (or TER) sets?

Just to correct my position: I'm totally on your side with setting the 
ext-name to "undo", but if that's "the law" (although it may sound 
stupid) we have to bow ;-).


greetings,
benni.
-SDG-


Martin Kutschker wrote:
> Rocco Di Leo schrieb:
>> Hello Martin,
>>
>> yes, you can hack into the TYPO3-Core and remove the restriction or you can
>> simple name your extension different like mk_undo etc .
> 
> It's TER that doesn't allow it, not TYPO3 itself. In fact TYPO3 doesn't 
> bother at all with names, it accepts anything.
> 
> And I know that I can rename it, but why should I? Nothing's wrong with a 
> "u" and the check is simply stupid.
> 
> Masi
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