[DOC] Fix some TeXinfo warnings.

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

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index 4bc6410259ac11e1e0404d318fbd67af566bebb3..52c5828e95a178e8d2de18d3e66d3fb3c7fb2adb 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -3242,7 +3242,8 @@ element, which defaults to 4.
 The @code{dirac_trace()} function is a linear functional that is equal to the
 ordinary matrix trace only in @math{D = 4} dimensions. In particular, the
 functional is not cyclic in
-@tex $D \ne 4$
+@tex
+$D \ne 4$
 @end tex
 @ifnottex
 @math{D != 4}
@@ -3253,7 +3254,8 @@ expressions containing @samp{gamma5}, so it's not a proper trace. This
 @cite{The Role of gamma5 in Dimensional Regularization} (@ref{Bibliography}).
 
 The value of the trace itself is also usually different in 4 and in
-@tex $D \ne 4$
+@tex
+$D \ne 4$
 @end tex
 @ifnottex
 @math{D != 4}
@@ -3326,15 +3328,16 @@ You can use this to compare two expressions or for further simplifications:
 @subsubsection A generic Clifford algebra
 
 A generic Clifford algebra, i.e. a
-@tex $2^n$
+@tex
+$2^n$
 @end tex
 @ifnottex
 2^n
 @end ifnottex
-dimensional algebra with
-generators 
-@tex $e_k$
-@end tex 
+dimensional algebra with generators
+@tex
+$e_k$
+@end tex
 @ifnottex
 e_k
 @end ifnottex