\oldstyle - LaTeX font command

x \oldstyle y

Renderer support

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

Syntax#

\oldstyle

Takes no arguments. Same argspec in base and textmacros. Reading argspecs

base

{x \oldstyle y} z

textmacros

\text{\oldstyle 1}

Package	Signature	Allowed mode	Notes
`base`		math	Changes the font of subsequent numerals in the current group to oldstyle.
`textmacros`		text	Legacy declaration that switches following text to oldstyle numerals or the corresponding oldstyle variant until the current group ends.

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

\oldstylenums{#1}approximate
Prefix command alternative
\oldstylenums{...}approximate
\oldstylenums is a command with arguments, whereas \oldstyle is declarative.

`base`
Input	Case	MathJax	KaTeX	XeTeX
`{\oldstyle a}`	Positive · baseline	Pass	Fail	Fail

`textmacros`
Input	Case	MathJax	KaTeX	XeTeX
`{\oldstyle a}`	Positive · baseline	Pass	Fail	Fail