Syntax#
\underleftrightarrowm{a}math contentArgspec m — one mandatory argument. Reading argspecs
In TeXForm#
TeXForm parses this entry as prefix syntax; the package determines its argument specification.
See also#
\overbracebase\overleftarrowbase\overleftrightarrowbase\overlinebase\overparenbase\overrightarrowbase\underbracebase\underleftarrowbase\underlinebase\underparenbase\underrightarrowbase
Test cases#
| Input | Case | MathJax | KaTeX | XeTeX |
|---|---|---|---|---|
\underleftrightarrow{a} | Positive · baseline | Pass | Pass | Fail |
\underleftrightarrow a | Positive · bare[0] | Pass | Pass | Fail |