statements with special continuation indentation, especially if
@code{idlwave-max-extra-continuation-indent} is small, the key
@kbd{C-u @key{TAB}} will re-indent all lines in the current statement.
-Note that @code{idlwave-indent-to-open-paren}, if non-nil, overrides
+Note that @code{idlwave-indent-to-open-paren}, if non-@code{nil}, overrides
the @code{idlwave-max-extra-continuation-indent} limit, for
parentheses only, forcing them always to line up.