Annotate fall throughs with comments
diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 3043ab3..8a3f857 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -424,20 +424,24 @@
 

     output += *length;

 

-    // Scary scary fall throughs.

+    // Scary scary fall throughs are annotated with carefully designed comments

+    // to suppress compiler warnings such as -Wimplicit-fallthrough in gcc

     switch (*length) {

         case 4:

             --output;

             *output = (char)((input | BYTE_MARK) & BYTE_MASK);

             input >>= 6;

+            //fall through

         case 3:

             --output;

             *output = (char)((input | BYTE_MARK) & BYTE_MASK);

             input >>= 6;

+            //fall through

         case 2:

             --output;

             *output = (char)((input | BYTE_MARK) & BYTE_MASK);

             input >>= 6;

+            //fall through

         case 1:

             --output;

             *output = (char)(input | FIRST_BYTE_MARK[*length]);