documentation update

diff --git a/NEWS b/NEWS
index 0e28809ff76d0a16633fca351a0a3669f8128f5e..e813ffd917888f0786968bc464c2b0b8ab12e44b 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -5,7 +5,7 @@ This file records noteworthy changes.
   algebraic classes.
 * Added support for (acyclic) visitors, to allow cleaner implementations of
   algebraic algorithms.
   algebraic classes.
 * Added support for (acyclic) visitors, to allow cleaner implementations of
   algebraic algorithms.

-* <iterators>
+* Added a const_iterator class that can be used instead of op()/nops().

 * 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
 * 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