\dddot - LaTeX accent command

\dddot{x}

Renderer support

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

Syntax#

\dddotm{a}math content

Argspec m — one mandatory argument. Same argspec in ams and base. Reading argspecs

Package	Signature	Allowed mode	Notes
`ams`	`m`	math	Used for a triple-dot accent, typically for higher-order derivatives or specialized notation.
`base`	`m`	math	Used to place a triple-dot accent over a math symbol, mainly in specialized derivative notation.

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

`ams`
Input	Case	MathJax	KaTeX	XeTeX
`\dddot{a}`	Positive · baseline	Pass	Pass	Pass
`\dddot a`	Positive · bare[0]	Pass	Pass	Pass

`base`
Input	Case	MathJax	KaTeX	XeTeX
`\dddot{a}`	Positive · baseline	Pass	Pass	Fail
`\dddot a`	Positive · bare[0]	Pass	Pass	Fail