minor readme fixes

tinyxml2.h

@@ -42,6 +42,14 @@ distribution.
 #endif
 #include <stdint.h>
 
+/*
+	gcc:
+        g++ -Wall -DTINYXML2_DEBUG tinyxml2.cpp xmltest.cpp -o gccxmltest.exe
+
+    Formatting, Artistic Style:
+        AStyle.exe --style=1tbs --indent-switches --break-closing-brackets --indent-preprocessor tinyxml2.cpp tinyxml2.h
+*/
+
 #if defined( _DEBUG ) || defined (__DEBUG__)
 #   ifndef TINYXML2_DEBUG
 #       define TINYXML2_DEBUG