- mentioned to_rational() and input parser

diff --git a/NEWS b/NEWS
index 9c503db49875bde2b4fa9f0c6f45bbe7c7f1c77c..ce9c69864d07515e1d1ef3e2bfc685b5ab906148 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -11,6 +11,10 @@ This file records noteworthy changes.
 * #include'ing ginac.h defines the preprocessor symbols GINACLIB_MAJOR_VERSION,
   GINACLIB_MINOR_VERSION, and GINACLIB_MICRO_VERSION with the respective GiNaC
   library version numbers.
+* Expressions can be constructed from strings like this:
+    ex e("2*x+y", lst(x, y));
+* ex::to_rational() provides a way to extend the domain of functions like
+  gcd() and divide() that only work on polynomials or rational functions
 * Several new timings in the check target.  Some of them may be rather rude 
   at your machine.