One more ting about these advanced settings, you have to do it every time you open a MS Word file. Indeed, I thought this had to be done only once, but unfortunately, every time I open a Word file, the "Use line-breaking rules" checkbox is not marked. I havent found a way to have these setting recorded as default in Word..... Careful!To activate line-breaking rules, go to File > Options > Advanced > Layout Options (at bottom) > Use line-breaking rules (mark checkbox)
To keep roman characters in their original font, go to File > Options > Advanced > Editing Options > Asian fonts also apply to Latin text (uncheck box)