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-rw-r--r--encoding.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/encoding.c b/encoding.c
index 01677d1b92..4e3a02f173 100644
--- a/encoding.c
+++ b/encoding.c
@@ -304,9 +304,12 @@ rb_enc_alias(const char *alias, const char *orig)
enum {
ENCINDEX_ASCII,
ENCINDEX_UTF8,
+ ENCINDEX_US_ASCII,
ENCINDEX_BUILTIN_MAX
};
+extern rb_encoding OnigEncodingUS_ASCII;
+
void
rb_enc_init(void)
{
@@ -314,6 +317,7 @@ rb_enc_init(void)
#define ENC_REGISTER(enc) enc_register_at(ENCINDEX_##enc, rb_enc_name(ONIG_ENCODING_##enc), ONIG_ENCODING_##enc)
ENC_REGISTER(ASCII);
ENC_REGISTER(UTF8);
+ enc_register_at(ENCINDEX_US_ASCII, rb_enc_name(&OnigEncodingUS_ASCII), &OnigEncodingUS_ASCII);
#undef ENC_REGISTER
}