Document -OO; "unsafe" optimization that removes docstrings.
Marc-Andre Lemburg.
diff --git a/Modules/main.c b/Modules/main.c
index 36b2be9..556a67a 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -60,7 +60,7 @@
 
 /* Short usage message (with %s for argv0) */
 static char *usage_line =
-"usage: %s [-d] [-i] [-O] [-S] [-u] [-v] [-x] [-X] [-c cmd | file | -] [arg] ...\n";
+"usage: %s [option] ... [-c cmd | file | -] [arg] ...\n";
 
 /* Long usage message, split into parts < 512 bytes */
 static char *usage_top = "\
@@ -69,6 +69,7 @@
 -i     : inspect interactively after running script, (also PYTHONINSPECT=x)\n\
          and force prompts, even if stdin does not appear to be a terminal\n\
 -O     : optimize generated bytecode (a tad; also PYTHONOPTIMIZE=x)\n\
+-OO    : remove doc-strings in addition to the -O optimizations\n\
 -S     : don't imply 'import site' on initialization\n\
 -t     : issue warnings about inconsistent tab usage (-tt: issue errors)\n\
 ";