From 8247d44aac20d266d1b135468dacf521ea655f20 Mon Sep 17 00:00:00 2001 From: Christian Bauer Date: Mon, 3 Nov 2003 20:39:08 +0000 Subject: [PATCH 1/1] documentation update --- NEWS | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/NEWS b/NEWS index ef550a6c..da87a2bb 100644 --- a/NEWS +++ b/NEWS @@ -3,10 +3,14 @@ This file records noteworthy changes. 1.2.0 () * Added a structure template class for the easy creation of user-defined algebraic classes. -* +* Added support for (acyclic) visitors, to allow cleaner implementations of + algebraic algorithms. * -* -* +* Completely revamped the implementation of expression output. It is now + possible to add new output formats, to change the behavior of predefined + formats at run-time, and to have different output styles for algebraic + functions. +* Symbols can be made non-commutative. * Improved the speed of subs(), normal(), to_rational() and to_polynomial() by the use of maps instead of lists. The old forms subs(const lst & ls, const lst & lr, unsigned options) -- 2.44.0