What I thought I noticed is that the french make a distinction between 40-40 and deuce. The first time it's 40-40, they call quarante-un (dunno what the un exactly is, but it means 'all', quinze-un, trente-un as well). The second time they say égalité. Is that just me? And if I'm right, are they the only ones to do so? You never hear 40 all. What is the history behind the scores and are they more accurate or just wrong?