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

Non-Invasive Pretty Printing of R Code

package-ubuntu-20.04-r-4.0.5#cran#styler-1.4.1

<p>A token is a multi-line expression if and only if:
</p>

<table summary="R argblock"><tr valign="top">
<td><code>pd</code></td>
<td>
<p>A parse table.</p>
</td>
</tr></table>

<ul>
<li>
<p> it contains a line break.
</p>
</li>
<li>
<p> it has at least one child that is a multi-line expression itself.
</p>
</li>
</ul>

package-ubuntu-20.04-r-4.0.5#cran#styler-1.4.1#docs#pd_is_multi_line

pd_is_multi_line