set_multi_line

Sets the column <code>multi_line</code> in <code>pd</code> by checking row-wise whether any child
of a token is a multi-line token.

internal

Pretty-prints R code without changing the user's formatting
intent.

<dl><dt>pd</dt>
<dd>A parse table.</dd></dl>

<dl>

<dt>pd</dt>
<dd>A parse table.</dd>

</dl>