--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,9 @@
+2010-05-27  Rik <octave@nomad.inbox5.com>
+
+        * interpreter/arith.txi, interpreter/diffeq.txi, interpreter/intro.txi,
+        interpreter/nonlin.txi, interpreter/poly.txi, interpreter/sparse.txi:
+        Replace @ifinfo with @ifnottex. 
+
 2010-05-07  John W. Eaton  <jwe@octave.org>
 
 	* basics.txi: Update list of internal variables for --traditional.

--- a/doc/interpreter/arith.txi
+++ b/doc/interpreter/arith.txi
@@ -81,10 +81,10 @@
 $z$ is the complex number $x + iy$, where $i$ is defined as
 $\sqrt{-1}$.
 @end tex
-@ifinfo
+@ifnottex
 @var{z} is the complex number @var{x} + @var{i}@var{y}, where @var{i} is
 defined as @code{sqrt (-1)}.
-@end ifinfo
+@end ifnottex
 
 @DOCSTRING(abs)
 

--- a/doc/interpreter/diffeq.txi
+++ b/doc/interpreter/diffeq.txi
@@ -41,7 +41,7 @@
  {dx\over dt} = f (x, t)
 $$
 @end tex
-@ifinfo
+@ifnottex
 
 @example
 @group
@@ -50,10 +50,10 @@
 dt
 @end group
 @end example
-@end ifinfo
+@end ifnottex
 
 @noindent
-using Hindmarsh's ODE solver @sc{Lsode}.
+using Hindmarsh's ODE solver @sc{lsode}.
 
 
 

--- a/doc/interpreter/intro.txi
+++ b/doc/interpreter/intro.txi
@@ -535,10 +535,10 @@
 Functions, commands, and variables are described in this manual in a 
 uniform format.  The first line of a description contains the name of
 the item followed by its arguments, if any.
-@ifinfo
+@ifnottex
 The category---function, variable, or whatever---appears at the
 beginning of the line.
-@end ifinfo
+@end ifnottex
 @iftex
 The category---function, variable, or whatever---is printed next to the
 right margin.

--- a/doc/interpreter/nonlin.txi
+++ b/doc/interpreter/nonlin.txi
@@ -49,7 +49,7 @@
            3x^2 - 2xy^2 + 3\cos(x) + 4 &= 0}
 $$
 @end tex
-@ifinfo
+@ifnottex
 
 @example
 @group
@@ -57,7 +57,7 @@
  3x^2 - 2xy^2 + 3 cos(x) = -4
 @end group
 @end example
-@end ifinfo
+@end ifnottex
 
 @noindent
 you first need to write a function to compute the value of the given

--- a/doc/interpreter/poly.txi
+++ b/doc/interpreter/poly.txi
@@ -28,13 +28,13 @@
  p (x) = c_1 x^N + \ldots + c_N x + c_{N+1}.
 $$
 @end tex
-@ifinfo
+@ifnottex
  @var{N}
 
 @example
 p(x) = @var{c}(1) x^@var{N} + @dots{} + @var{c}(@var{N}) x + @var{c}(@var{N}+1).
 @end example
-@end ifinfo
+@end ifnottex
 
 @menu
 * Evaluating Polynomials::

--- a/doc/interpreter/sparse.txi
+++ b/doc/interpreter/sparse.txi
@@ -887,33 +887,16 @@
 Laplace equation.  This system can model scalar potential fields, such
 as heat or electrical potential.  Given a medium 
 @tex
-$\Omega$ 
-@end tex
-@ifinfo
-Omega
-@end ifinfo
-with boundary
-@tex
-$\partial\Omega$ 
+$\Omega$ with boundary $\partial\Omega$.  At all points on the $\partial\Omega$
+the boundary conditions are known, and we wish to calculate the potential in
+$\Omega$.
 @end tex
-@ifinfo
-dOmega
-@end ifinfo
-. At all points on the 
-@tex
-$\partial\Omega$ 
-@end tex
-@ifinfo
-dOmega
-@end ifinfo
+@ifnottex
+Omega with boundary dOmega.  At all points on the dOmega
 the boundary conditions are known, and we wish to calculate the potential in
-@tex
-$\Omega$ 
-@end tex
-@ifinfo
-Omega
-@end ifinfo
-. Boundary conditions may specify the potential (Dirichlet
+Omega.
+@end ifnottex
+Boundary conditions may specify the potential (Dirichlet
 boundary condition), its normal derivative across the boundary
 (Neumann boundary condition), or a weighted sum of the potential and
 its derivative (Cauchy boundary condition).
@@ -922,9 +905,9 @@
 @tex
 $\Omega$ 
 @end tex
-@ifinfo
+@ifnottex
 Omega
-@end ifinfo
+@end ifnottex
 and know the boundary temperature (Dirichlet condition)
 or heat flux (from which we can calculate the Neumann condition
 by dividing by the thermal conductivity at the boundary).  Similarly, 
@@ -932,9 +915,9 @@
 @tex
 $\Omega$ 
 @end tex
-@ifinfo
+@ifnottex
 Omega
-@end ifinfo
+@end ifnottex
 and know the boundary voltage (Dirichlet) or current
 (Neumann condition after diving by the electrical conductivity).
 In an electrical model, it is common for much of the boundary
@@ -945,9 +928,9 @@
 @tex
 $\Omega$ 
 @end tex
-@ifinfo
+@ifnottex
 Omega
-@end ifinfo
+@end ifnottex
 into simplexes (triangles in 2D, pyramids in 3D).
 @ifset htmltex
 We take as an 3D example a cylindrical liquid filled tank with a small 
@@ -1008,9 +991,9 @@
 @tex
 $\Omega$ 
 @end tex
-@ifinfo
+@ifnottex
 Omega
-@end ifinfo
+@end ifnottex
 as constant on each simplex (represented by the vector @code{conductivity}).
 Based on the finite element geometry, we first calculate a system (or
 stiffness) matrix for each simplex (represented as 3-by-3 elements on the
@@ -1052,16 +1035,16 @@
 @tex
 $S$ 
 @end tex
-@ifinfo
+@ifnottex
 @code{S}
-@end ifinfo
+@end ifnottex
 in Ohm's law 
 @tex
 $SV = I$. 
 @end tex
-@ifinfo
+@ifnottex
 @code{S * V = I}.
-@end ifinfo
+@end ifnottex
 Based on the Dirichlet and Neumann boundary conditions, we are able to 
 solve for the voltages at each vertex @code{V}.