Added gdb tip.
diff --git a/documentation/debugging b/documentation/debugging
index 787c3d3..fc688d4 100644
--- a/documentation/debugging
+++ b/documentation/debugging
@@ -113,7 +113,9 @@
6. If that isn't enough add more debug output for yourself into the
functions you find relevant. See documentation/debug-msgs.
You might also try to run the program in gdb instead of using the
- WINE-debugger. If you don't use the "-desktop" or "-managed" option,
+ WINE-debugger. If you do that, use "handle SIGSEGV nostop noprint"
+ to disable the handling of seg faults inside gdb (needed for Win16).
+ If you don't use the "-desktop" or "-managed" option,
start the WINE process with "-sync", or chances are good to get X into
an unusable state.