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-rw-r--r--src/lauxlib.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lauxlib.js b/src/lauxlib.js
index 437b6cf..d5b943b 100644
--- a/src/lauxlib.js
+++ b/src/lauxlib.js
@@ -368,7 +368,7 @@ const luaL_checkudata = function(L, ud, tname) {
const luaL_checkoption = function(L, arg, def, lst) {
let name = def ? luaL_optstring(L, arg, def) : luaL_checkstring(L, arg);
for (let i = 0; lst[i]; i++)
- if (lst[i].join('|') === name.join('|'))
+ if (luastring_eq(lst[i], name))
return i;
return luaL_argerror(L, arg, lua_pushfstring(L, to_luastring("invalid option '%s'"), name));
};