This user insists upon using whom wherever it is called for, and fixes the errors of whomever they see.
your you're
This user thinks that if your grammar is incorrect, then you're in need of help.
their there they're
This user thinks that there are too many people who don’t know that they're worse than their own children at spelling!
"…"
This user favours typewriter style quotation marks over typographic ones.
its it's
It's really not that hard to use each word in its proper manner.
’s
Thi's user know's that not every word that end's with s need's an apostrophe and will remove misused apostrophe's from Wikipedia with extreme prejudice.