do not absorb vacuous copy operation, e.g. relevant when tooltip has focus but no selection, while the main text area has a selection but no focus;
Poly/ML for Isabelle
====================
This compilation of Poly/ML 5.5.1 (http://www.polyml.org) is based on the
official source distribution polyml.5.5.1.tar.gz from
http://sourceforge.net/projects/polyml/.
The included build script is used like this:
./build src x86-linux --with-gmp
./build src x86_64-linux --with-gmp
./build src x86-darwin --without-gmp
./build src x86_64-darwin --without-gmp
./build src x86-cygwin --with-gmp
Also note that the separate "sha1" library module is required for
efficient digesting of strings according to SHA-1.
Makarius
17-Sep-2013