[TYPO3-core] RFC #15663: Bug/NoBrainer: SpriteGenerator adds empty folder to spritebase, which results in wrong css

[Steffen Ritter]

Hey list,
This is an SVN patch request.

Type: Bug

Bugtracker references:
http://bugs.typo3.org/view.php?id=15663

Branches: trunk (SpriteGenerator only in trunk)


Problem:
If you do not ommit the sprite name, in the sprite-icon-names the 
spriteGenerator also will scan the "root folder" (and not only 
subfolders) of the directory specified.
Due to a missing check a empty folder string is added to an array which 
results in an css class like

.t3-icon- {

}

This one is wrong, superflouous and cannot be used ever.

Notes:
I consider this to be a no brainer and think this just could be 
committed right away as NoBrainer or FYI.


regards
Steffen
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