A library for sml, including:
* util a general utility library.
* controls a library of support code for managing application controls.
* hashcons a library supporting hash-consing of data structures and
efficient sets and maps using hash-consed keys.
* html provides parsing and pretty printing of html.
* inet networking utilities.
* pp pretty-printing library.
* reactive a low-level reactive scripting library.
* regexp regular-expression library.
* unix a set of unix specific utilities.