For anyone who is interested, several improvements have lately
gone into the "One True Awk" (the direct descendant of Unix awk and
subject of the 2nd edition of the original awk book).
In particular, regular expression matching of Unicode text should
now perform tolerably. See
https://github.com/onetrueawk/awk.
Arnold
--
Aharon (Arnold) Robbins arnold AT skeeve DOT com