Credits: addendum for version 6.3

The main changes in version V6.3 was the introduction of a few new tactics and the extension of the guard condition for fixpoint definitions.

B. Barras extended the unification algorithm to complete partial terms and solved various tricky bugs related to universes.
D. Delahaye developed the AutoRewrite tactic. He also designed the new behavior of Intro and provided the tacticals First and Solve.
J.-C. Filliâtre developed the Correctness tactic.
E. Giménez extended the guard condition in fixpoints.
H. Herbelin designed the new syntax for definitions and extended the Induction tactic.
P. Loiseleur developed the Quote tactic and the new design of the Auto tactic, he also introduced the index of errors in the documentation.
C. Paulin wrote the Focus command and introduced the reduction functions in definitions, this last feature was proposed by J.-F. Monin from CNET Lannion.

Orsay, Dec. 1999
Christine Paulin