\emph - LaTeX text command

\text{\emph{hello}}

Renderer support

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

Syntax#

\emphm:T{a}text content

Argspec m:T — one mandatory argument. Reading argspecs

\text{\emph{emphasized}}

\emph{x}

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

\textit{#1}approximate
\textit applies italics unconditionally, whereas \emph toggles between italic and upright based on context.

`textmacros`
Input	Case	MathJax	KaTeX	XeTeX
`\emph{a}`	Positive · baseline	Fail	Pass	Pass
`\emph a`	Positive · bare[0]	Fail	Pass	Pass
`\emph{a^2}`	Negative · neg:T[0]	Fail	Fail	Fail