[Typo3] Xhtml compliance: problem with non_sgml chars

[Robert Markula]

Christopher wrote:
> In my experience, the non-sgml error is usually caused by html entities [1]
> that are part of non-standard Windows charsets (windows-1252 ?). For
> instance, I've encountered this problem (using a different CMS) when users
> copy and paste content from Windows apps such as notepad. Forcing the BE
> charset in Typo3 seems to prevent the page failing validation, although
> AFAICT the offending entities then get rendered as question-marks...

Hi Christopher,
When the problem is users who are copy&pasting content from windows 
apps, then there are two extensions that "clean" the pasted code:

RTE Encoding Cleaner
Advanced HTML Cleaner

I haven't used any of them yet, but the documentation sounds very promising.

Regards,
Ro