1
general::
Also, as to. With regard to, concerning. For example, As for dessert, I'd better skip it today and We are not sure as to how to pay the bill. A particularly well-known use of this idiom is in Patrick Henry's speech before the Virginia Convention in 1775: "As for me, give me liberty or give me death." Also see AS TO.
American Heritage Idioms
2
general::
Phrase(s): as for someone or something [and] as to someone or something
regarding someone or something. • As for the mayor, he can pay for his own dinner. • As for this chair, there is nothing to do but throw it away.
McGrawhill's American Idioms And Phrasal Verbs