future: norm_proof after make_result reduces memory requirements but increases runtime (factor 1.5 for both for HOL with proof terms);

Regression tests for new locale implementation.

add_locale functional.

Added a line that was missing from the definition

added binary logarithm

Strange. The proof worked in the 2008 release. In order to make it work now, the last line of the proof must be moved up two places. In other words, the first proof step is now returning its subgoals in a different order from before.

Name.binding