vim-mode 'ciw' doesn't repeat via '.'

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Hi, if this isn't the place to report bugs than please point me in the right direction.

I've noticed this about vim mode:

If you're in normal mode and you type 'ciw' it will delete the word your cursor is on and put you in insert mode so you can replace it. So far so good. Later, if you have your cursor on some other word, typing '.' should replace that word too. Instead, it just does the equivalent of 'p'. That is, it doesn't replace the word, it just inserts your replacement into the middle of it.