Fix typos in COLLADABaseUtils subdir

COLLADABaseUtils/include/COLLADABUHashFunctions.h

@@ -19,12 +19,12 @@ namespace COLLADABU
 {
 	size_t calculateHash(const String& str);
 
-	/** Converts all lower case ASCII caracters to the corresponding upper case character befor calculating the hash.*/
+	/** Converts all lower case ASCII characters to the corresponding upper case character before calculating the hash.*/
 	size_t calculateHashUpper(const String& str);
 
 	size_t calculateHash(const char* str);
 
-	/** Converts all lower case ASCII caracters to the corresponding upper case character befor calculating the hash.*/
+	/** Converts all lower case ASCII characters to the corresponding upper case character before calculating the hash.*/
 	size_t calculateHashUpper(const char* str);
 
 	size_t calculateHash(const URI& uri);

COLLADABaseUtils/include/COLLADABUStringUtils.h

@@ -39,7 +39,7 @@ namespace COLLADABU
 		}
 
         /**
-        * Returns true, if both strings are equal. The comparison is case intensitive.
+        * Returns true, if both strings are equal. The comparison is case insensitive.
         */
         static bool equalsIgnoreCase ( const WideString& s1, const WideString& s2 );
 

COLLADABaseUtils/include/COLLADABUUtils.h

@@ -60,7 +60,7 @@ namespace COLLADABU
         static bool equals ( const String &str1, const String &str2 );
 
         /**
-        * Returns true, if both strings are equal. The comparison is case intensitive.
+        * Returns true, if both strings are equal. The comparison is case insensitive.
         */
         static bool equalsIgnoreCase ( const String& s1, const String& s2 );
 
@@ -160,7 +160,7 @@ namespace COLLADABU
         static void stringFindAndReplace ( String& source, const String searchString, const String replaceString );
 
         /**
-         * Splits a string by the given seperator string and push the 
+         * Splits a string by the given separator string and push the 
          * parts in a vector.
          * @param String & text
          * @param String & separators

COLLADABaseUtils/include/Math/COLLADABUMathMatrix4.h

@@ -20,11 +20,11 @@ namespace COLLADABU
 
     namespace Math
     {
-        /** Class encapsulating a standard 4x4 homogenous matrix.
+        /** Class encapsulating a standard 4x4 homogeneous matrix.
         @remarks
         Math uses column vectors when applying matrix multiplications,
         This means a vector is represented as a single column, 4-row
-        matrix. This has the effect that the tranformations implemented
+        matrix. This has the effect that the transformations implemented
         by the matrices happens right-to-left e.g. if vector V is to be
         transformed by M1 then M2 then M3, the calculation would be
         M3 * M2 * M1 * V. The order that matrices are concatenated is
@@ -354,7 +354,7 @@ namespace COLLADABU
                 return !isEqualTo( m2 );
             }
 
-            /** Tests if the matrix is the identity matrix. This is the prefered method to check for identity*/
+            /** Tests if the matrix is the identity matrix. This is the preferred method to check for identity*/
             inline bool isIdentiy() const
             {
                 if ( mState == UNKNOWN )

COLLADABaseUtils/src/COLLADABUURI.cpp

@@ -458,7 +458,7 @@ namespace COLLADABU
 	}
 
 	void URI::setPath(const String& dir, const String& baseName, const String& ext) {
-        //FR:Is this a bug or intention, but ext in OpenCOLLADA originaly seems to expect "." here
+        //FR:Is this a bug or intention, but ext in OpenCOLLADA originally seems to expect "." here
         //We relax this by just add "." when not present
         if (ext.length() > 0) {
             if (ext.c_str()[0] != '.') {