Reply To: Plug-in/Script to convert US eng to UK or CAN eng

You can make a list of the different spellings and put that into the standard FindChangeByList script — that'll take care of 'realise', 'colour', 'mailbox', and their 'ilk' ('like').

For the 'grammar', however, it's unlikely one will ever find a computerized solution. It would boil down to translating from one language to another. If you check Google Translate, you will see their only choice is plain 'English' — no dialects available.