set_unindention_child: Unindent a child if necessary
Description
check whether any of the children of pd has token on the same line as the
closing token of pd. If so, unindent that token.
Usage
set_unindention_child(pd, token = "')'", unindent_by)
Arguments
token
The token the unindention should be based on.
unindent_by
By how many spaces one level of indention is reversed.