If I remember correctly, there's a probability that a line will end with "...hic!" or that s will be replaced with sh. It won't happen every time, so your first

If I remember correctly, there's a probability that a line will end with "...hic!" or that s will be replaced with sh. It won't happen every time, so your first message could go through fine. A checksum is probably best. Character names will never contain punctuation, so expecting a possible terminating "...hic!" and ignoring it is fine.