d must be a list with \$typ and \$blo components (see easyp3cut for the details)
d\$typ for the type of components, d\$blo for the content of each component.
character matrix with two columns defining the opening parentheses in the first column and the closing parentheses in the second column.
A character(1) of the reconstituted easyprograming
1 2 3
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