Improve -X error message.
diff --git a/Modules/main.c b/Modules/main.c
index 8e02fe4..38b6223 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -390,7 +390,7 @@
skipfirstline = 1;
break;
- /* case 'X': reserved for non-standard arguments */
+ /* case 'X': reserved for implementation-specific arguments */
case 'U':
Py_UnicodeFlag++;
diff --git a/Python/getopt.c b/Python/getopt.c
index acdd5d7..247600b 100644
--- a/Python/getopt.c
+++ b/Python/getopt.c
@@ -88,7 +88,7 @@
if (option == 'X') {
fprintf(stderr,
- "-X is reserved for non-standard arguments\n");
+ "-X is reserved for implementation-specific arguments\n");
return '_';
}