\begin{describe}{parseform}
{error (@[[ :ignore-unconsumed @<flag> @!
- :force-process @<flag> @]]) \\ \ind
- @<sub-parser> @<recover-parser>}
+ :force-process @<flag> @]]) \\ \ind\ind
+ @<sub-parser> @<recover-parser> \-\\
+ @<declaration>^* \\
+ @<form>^*}
\end{describe}
\begin{describe}{parseform}{must @<sub-parser> @[@<default>@]}