Skip all top-level non-operator areas enclosed in parentheses.
Using safe tail' in extractOperator. With simple tail,
hasktags -x . on http-types sources (this was in example from
the issue) fails with hasktags: Prelude.tail: empty list: the
reason of this is that closing ) cannot be found in some cases.
tail,hasktags -x .on http-types sources (this was in example from the issue) fails withhasktags: Prelude.tail: empty list: the reason of this is that closing)cannot be found in some cases.