Normative references to discontinued specs in Mathematical Markup Language (MathML) Version 4.0

[dontcallmedom-bot]

While crawling Mathematical Markup Language (MathML) Version 4.0, the following normative references were detected as pointing to discontinued specifications:

• [ ] HTTP11 has been obsoleted by rfc9110,rfc9112

_{This issue was detected and reported semi-automatically by Strudy based on data collected in webref.}

[davidcarlisle]

thanks, I updated to rfc9110 which covers enough here I think