I write in British English and occasionally I get an overfull hbox warning because LaTeX does not know how to break a word correctly in its British form. For example, the word 'analysing' causes an overfull hbox because LaTeX will not break the word, whereas 'analyzing' is broken into 'analyz-ing' and the hbox warning goes away. what is the best solution to this? Is there a way to have LaTeX recognise British English and correctly break words?
EDIT: Here's a solution in case you're using XeLaTeX/