[TYPO3-dev] Empty line at beginning of frontend output = validator fails

[Tyler Kraft]

 From what I remember this happened to me in a php file that we included 
in the TS template  (and I'm sure I've read on the English list about 
this occurring from an extension as well)

hth

Jelle van Brenk wrote:
> Hi Susanne,
> 
> I can second Tyler's idea, we had the same problem just a week ago with 
> an XML feed not validating because of an empty first line.
> 
> This line was added by a php file with an empty line after the ?>
> 
> Regards,
> 
> Jelle van Brenk
>