Fixing index in tutorial.

The index entry for clifford::get_metric() did not work, change it to get_metric().

Signed-off-by: Vladimir V. Kisil <kisilv@maths.leeds.ac.uk>

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index 3ac53981fe9e5602d1ddb1b11b923b66fedaa78d..360acb05a0e98b1a38f8923f7b43920aa266cabc 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -3334,7 +3334,7 @@ Clifford algebras, which will commute with each other.
 Note that the call @code{clifford_unit(mu, minkmetric())} creates
 something very close to @code{dirac_gamma(mu)}, although
 @code{dirac_gamma} have more efficient simplification mechanism. 
 Note that the call @code{clifford_unit(mu, minkmetric())} creates
 something very close to @code{dirac_gamma(mu)}, although
 @code{dirac_gamma} have more efficient simplification mechanism. 

-@cindex @code{clifford::get_metric()}
+@cindex @code{get_metric()}

 The method @code{clifford::get_metric()} returns a metric defining this
 Clifford number.
 
 The method @code{clifford::get_metric()} returns a metric defining this
 Clifford number.