[TYPO3-english] Text HTML_5 displayed

[Bernd Wilke]

Am 27.01.2016 um 10:34 schrieb Garret Dekker:
> Hi,
> I'm new to typo3 and have just taken over the maintenance of a site and
> see the text HTML_5 displayed at the top of every page. It looks like
> this is the value of template variable config.doctype. Doesn't anybody
> know why this happens and how I can turn if off? Have a look here:
> bonapa.nl
> Thanks

maybe it has something to do with:
config.doctype = html_5
look for a doktype configuration with erroneous HTML_5 instead of html_5.

or someone configured the dokheader by hand?

bernd