Formatting; adding some tracing code.
diff --git a/src/base/ftdebug.c b/src/base/ftdebug.c
index dae2277..5fb000b 100644
--- a/src/base/ftdebug.c
+++ b/src/base/ftdebug.c
@@ -16,6 +16,31 @@
/***************************************************************************/
+ /*************************************************************************/
+ /* */
+ /* This component contains various macros and functions used to ease the */
+ /* debugging of the FreeType engine. Its main purpose is in assertion */
+ /* checking, tracing, and error detection. */
+ /* */
+ /* There are now three debugging modes: */
+ /* */
+ /* - trace mode */
+ /* */
+ /* Error and trace messages are sent to the log file (which can be the */
+ /* standard error output). */
+ /* */
+ /* - error mode */
+ /* */
+ /* Only error messages are generated. */
+ /* */
+ /* - release mode: */
+ /* */
+ /* No error message is sent or generated. The code is free from any */
+ /* debugging parts. */
+ /* */
+ /*************************************************************************/
+
+
#include <freetype/internal/ftdebug.h>
#ifdef FT_DEBUG_LEVEL_TRACE