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-rw-r--r--util-src/encodings.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util-src/encodings.c b/util-src/encodings.c
index f7e8131f..e55a3f44 100644
--- a/util-src/encodings.c
+++ b/util-src/encodings.c
@@ -299,7 +299,7 @@ static int icu_stringprep_prep(lua_State *L, const UStringPrepProfile *profile)
return 1;
}
- prepped_len = usprep_prepare(profile, unprepped, unprepped_len, prepped, 1024, 0, NULL, &err);
+ prepped_len = usprep_prepare(profile, unprepped, unprepped_len, prepped, 1024, USPREP_ALLOW_UNASSIGNED, NULL, &err);
if(U_FAILURE(err)) {
lua_pushnil(L);