\newcolumntype - LaTeX layout command

\newcolumntype{C}{c}

Renderer support

Package	MathJax	KaTeX	XeTeX
`base`	MathJax: Full	KaTeX: None	XeTeX: None

Syntax#

\newcolumntypem{a}math contentO{0}:I[1]optional integerm{b}math content

Argspec m O{0}:I m — one optional and two mandatory arguments. Reading argspecs

\newcolumntype{C}[1]{c}

TeXForm parses this entry as prefix syntax; the package determines its argument specification.

`base`
Input	Case	MathJax	KaTeX	XeTeX
`\newcolumntype{a}{b}`	Positive · baseline	Pass	Fail	Fail
`\newcolumntype{a}[1]{c}`	Positive · vary:o[1]	Pass	Fail	Fail
`\newcolumntype a{b}`	Positive · bare[0]	Pass	Fail	Fail
`\newcolumntype{a}b`	Positive · bare[2]	Pass	Fail	Fail
`\newcolumntype{a}[a]{b}`	Negative · neg:I[1]	Fail	Fail	Fail