texParen?

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texParen?

$\begin{usage} texParen?~a \end{usage}$

Signature

texParen?: % $\to$ Boolean

$\begin{params} {\em a} & \% & A leaf\\ \end{params}$

$\begin{retval} Returns {\it true}\xspace ~if the leaf $a$\ should be parenthetized, {\it false}\xspace ~otherwise. \end{retval}$

Manuel Bronstein 2000-12-13