Replaced GiNaC Group names by web address.

[ginac.git] / doc / tutorial / ginac.texi

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index bdea81b80a842aa0c6c71a5b193dbcf8e8754f60..d0b12a76817146ae518f6ff5f325241bc4f0066d 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -47,8 +47,7 @@ notice identical to this one.
 @title GiNaC @value{VERSION}
 @subtitle An open framework for symbolic computation within the C++ programming language
 @subtitle @value{UPDATED}
-@author The GiNaC Group:
-@author Christian Bauer, Alexander Frink, Richard Kreckel, Jens Vollinga
+@author @uref{http://www.ginac.de}
 
 @page
 @vskip 0pt plus 1filll
@@ -2729,11 +2728,7 @@ arithmetic class, you just pass it to @code{simplify_indexed()}):
 The @code{scalar_products} object @code{sp} acts as a storage for the
 scalar products added to it with the @code{.add()} method. This method
 takes three arguments: the two expressions of which the scalar product is
-taken, and the expression to replace it with. After @code{sp.add(A, B, 0)},
-@code{simplify_indexed()} will replace all scalar products of indexed
-objects that have the symbols @code{A} and @code{B} as base expressions
-with the single value 0. The number, type and dimension of the indices
-don't matter; @samp{A~mu~nu*B.mu.nu} would also be replaced by 0.
+taken, and the expression to replace it with.
 
 @cindex @code{expand()}
 The example above also illustrates a feature of the @code{expand()} method: