Add comment about threading model.

diff --git a/wui_thread.c b/wui_thread.c
index 7ef6f8e..0585c89 100644 (file)
--- a/wui_thread.c
+++ b/wui_thread.c
@@ -17,6 +17,8 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+/* For an explanation of the threading model, please main(). */
+
 #include <config.h>
 
 #include <stdio.h>