Replace invalid characters with HTML entities

— with —
’ with ’
+ with +
× with x
ç with ç
“ with “
” with ”
‘ with ‘
• with •
– with -
µ with µ
† with †
Fix C++
θ with θ
Yen symbol instead of times
Fix broken apos
Bullet again
E-circumflex

52-03.html

@@ -42,7 +42,7 @@
 /* Routines to perform incremental rotations around the three axes. */
 
 #include &ltmath.h&gt
-#include “polygon.h”
+#include “polygon.h”
 
 /* Concatenate a rotation by Angle around the X axis to transformation in
    XformToChange, placing the result back into XformToChange. */
@@ -130,7 +130,7 @@ void AppendRotationZ(Xform XformToChange, double Angle)
 <PRE>
 /* Fixed point matrix arithmetic functions. */
 
-#include &#147;polygon.h&#148;
+#include &ldquo;polygon.h&rdquo;
 
 /* Matrix multiplies Xform by SourceVec, and stores the result in DestVec.
    Multiplies a 4x4 matrix times a 4x1 matrix; the result is a 4x1 matrix. Cheats
@@ -174,7 +174,7 @@ void ConcatXforms(Xform SourceXform1, Xform SourceXform2,
 /* Set up basic data that needs to be in fixed point, to avoid data
    definition hassles. */
 
-#include &#147;polygon.h&#148;
+#include &ldquo;polygon.h&rdquo;
 
 /* All vertices in the basic cube */
 static IntPoint3 IntCubeVerts[NUM_CUBE_VERTS] = {