Wrap a sub-expression in curly braces

Wraps some rows of a parse table into a sub-expression.

wrap_subexpr_in_curly(pd, ind_to_be_wrapped, indent_by, space_after)

Arguments

pd

A parse table.

ind_to_be_wrapped

The indices of the rows that should be wrapped into a new expression.

space_after

How many spaces should be inserted after the closing brace.