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Re: Arrow heights

regarding the different heights of arrows, i notice that those in
cmsy are all nicely the same height, and those in ms* are not.

knowing that knuth spent a lot of thought on how these symbols
should behave, and also knowing that not all of the criteria that
he considered were spelled out in the mf code, it doesn't surprise
me that there are discrepancies in the ms* cases, where there was
a distinct push to "let's get it done and out."

i think that alan has got the right idea, and in the absence of
evidence that there's a real reason to do something different,
his proposal for normalizing the heights (and depths ...) of
these arrows, by classes, should be adopted.
						-- bb