When I worked as a hand-typographer (somewhat anachronistically in the mid-1980s), em-blocks were square, and it was obvious why. A square can fit into a line of type, whatever its orientation. A slightly off-square block would require close, eye-straining, examination before it could be correctly fitted into the line. The actual width of an M is neither here nor there. douglasReceived on Thursday, 20 January 2000 17:29:19 UTC
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