Changes

*''Younger'' abstention ("Federal courts may enjoin pending state administrative proceedings that vindicate important state interests only in extraordinary circumstances."<ref>''Allen v. Louisiana State Bd. of Dentistry'', 835 F.2d 100, 103 (5th Cir. 1988)</ref>)

*''Younger'' abstention ("Federal courts may enjoin pending state administrative proceedings that vindicate important state interests only in extraordinary circumstances."<ref>''Allen v. Louisiana State Bd. of Dentistry'', 835 F.2d 100, 103 (5th Cir. 1988)</ref>)

*''Pullman'' abstention (when a constitutional issue might be avoided by allowing state courts to interpret an ambiguous state law)

*[[Pullman abstention|''Pullman'' abstention]] (when a constitutional issue might be avoided by allowing state courts to interpret an ambiguous state law)

*''Colorado River'' abstention doctrine (avoid duplicative proceedings in another state or federal court)

*''Colorado River'' abstention doctrine (avoid duplicative proceedings in another state or federal court)