Function luaopen_utf8

src/Chain/libraries/glua/lutf8lib.cpp:250–255

LUAMOD_API int luaopen_utf8(lua_State *L) {
    luaL_newlib(L, funcs);
    lua_pushlstring(L, UTF8PATT, sizeof(UTF8PATT) / sizeof(char) - 1);
    lua_setfield(L, -2, "charpattern");
    return 1;
}