--- flex.skl	2016-02-08 17:09:04.246218501 -0500
+++ flex.skl.new	2016-02-08 17:08:52.419296141 -0500
@@ -1557,7 +1557,7 @@
 	yy_init = 0;
 	yy_start = 0;
 	yy_flex_debug = 0;
-	yylineno = 1;	// this will only get updated if %option yylineno
+	yylineno = 1;	/* this will only get updated if %option yylineno */
 
 	yy_did_buffer_switch_on_eof = 0;
 
@@ -1597,11 +1597,11 @@
  */
 void yyFlexLexer::switch_streams( std::istream& new_in, std::ostream& new_out )
 {
-	// was if( new_in )
+        /* was if( new_in ) */
 	yy_delete_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG);
 	yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE  M4_YY_CALL_LAST_ARG) M4_YY_CALL_LAST_ARG);
 
-	// was if( new_out )
+	/* was if( new_out ) */
 	yyout.rdbuf(new_out.rdbuf());
 }
 
@@ -2350,7 +2350,7 @@
 		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
 		 * immediate realloc on the next call.
          */
-		num_to_alloc = 1; // After all that talk, this was set to 1 anyways...
+	        num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
 		YY_G(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
 								(num_to_alloc * sizeof(struct yy_buffer_state*)
 								M4_YY_CALL_LAST_ARG);