David Carlisle
- Re: [MathML4] Removing some deprecated attributes
 - Re: [MathML4] Whitespace and attributes canonicalization in MathML VS HTML5/CSS
 - Re: [MathML4] Whitespace and attributes canonicalization in MathML VS HTML5/CSS
 
Frédéric Wang
- [MathML4] New entries in the operator dictionary for U+1EEF0 and U+1EEF1
 - Re: [MathML4] Removing some deprecated attributes
 - [MathML4] Removing some deprecated attributes
 - Re: [MathML4] Whitespace and attributes canonicalization in MathML VS HTML5/CSS
 - Re: [MathML4] Whitespace and attributes canonicalization in MathML VS HTML5/CSS
 - Re: [MathML4] Whitespace and attributes canonicalization in MathML VS HTML5/CSS
 - [MathML4] thin, medium and thick values for mfrac@linethickness
 - [MathML4] Whitespace and attributes canonicalization in MathML VS HTML5/CSS