>>store: $VAR1 = "\x{e4}\x{e4}";
<<store: $VAR1 = "\303\244\303\244";
reading keys
>>fetch: $VAR1 = "\303\244\303\244";
<<fetch: $VAR1 = "\x{e4}\x{e4}";
reading with c_get
>>store: $VAR1 = "\x{e4}\x{e4}";
<<store: $VAR1 = "\303\244\303\244";
>>fetch: $VAR1 = "\x{e4}\x{e4}";
<<fetch: $VAR1 = "\x{fffd}\x{fffd}";