Hello. I'm experiencing some strangeness with the spellcheck on Firefox and would like to know if anyone can help. I often seem to mistype "don't" as "don;t." Same with "won't." Firefox does not mark these as incorrect. But if I type "shouldn;t" or "couldn;t" I get a red underline. Is there something I can edit to get those words with a semicolon to be marked as misspelled? I'm using FF 91 on Win 7. But it's been this way for a long time, many different versions. Any help would be greatly appreciated. Thanks.