From Magnus Kessler, "After a closer look at this particular issue, I used some grep and sed magic

to fix all occurrences of "macro's" and "paramter".
"

include/osg/ColorMatrix

@@ -37,7 +37,7 @@ class OSG_EXPORT ColorMatrix : public StateAttribute
         virtual int compare(const StateAttribute& sa) const
         {
             // Check for equal types, then create the rhs variable
-            // used by the COMPARE_StateAttribute_Paramter macros below.
+            // used by the COMPARE_StateAttribute_Parameter macros below.
             COMPARE_StateAttribute_Types(ColorMatrix,sa)
 
             // Compare each parameter in turn against the rhs.