for (i = 0; i < str->combined_char_count; i++)
decode_add_er_char (str, str->combined_chars[i], dst);
str->combined_char_count = 0;
for (i = 0; i < str->combined_char_count; i++)
decode_add_er_char (str, str->combined_chars[i], dst);
str->combined_char_count = 0;