I often have to add proper nouns to my personal dictionary just so that it doesn't get the red line. However, I find it annoying that I had to add my best friend's name "Luca" with an uppercase L and "luca" with a lowercase l as different words. And then I had to add the possessive forms "Luca's" and "luca's" as separate words as well. I type in lowercase when it's just casual online conversation. How can I make it so that adding words to my dictionary isn't case-sensitive? And automatically accepts possessive forms (adding apostrophe and s at the end)? I know that some sites also use different unicode characters for apostrophes, so that's another thing. Or is there an extension that does this? I want to keep spell check on, but I really hate seeing correctly-spelled words marked as misspelled, and it feels redundant to add the same words over and over to my dictionaries, whether it's in the browser or in the persdic.dat file.