Re: Greek U+0387

On 4 Jul 2019, at 19:09, Wojciech Kosek wrote:

> Ladies and gentlemen!  Why using the Unicode U+0387 is not under the 
> requirements of the Unicode Normalization Form C?  Probably it is the 
> reason why one can read ( en.wiktionary.org en.wiktionary.org ), 
> 'For technical reasons (U+0387) reproduces in Wiktionary as the 
> Latin middle dot (U+00B7).'    Dr. Wojciech Kosek from Poland


What does this have to do with the Markup Validation Service?