BlackBox Framework Center

"The Letter property is not the same as the Alphabetic property!!!! In Unicode 6.0.0, there are 101539 code points with the Alphabetic property but only 100520 with the Letter property, a difference of over a thousand characters. BTW, your 14k answer is off by an order of magnitude. – tchrist Jan 30 '11 at 20:39 "

My assessment of this is "what a mess".

"Oh, what twisty paths we rode when first we practiced to encode."
Burma Shave

(Burma Shave in the 1950s in the USA had a series of widely spaced signs along open highways
that were always fun to read. For example:
Does your husband / Misbehave / Grunt and grumble / Rant and rave / Shoot the brute some / Burma-Shave)