Arguments: struct
Returns the maximum height of a character from the baseline for the
fontmetrics structure specified by the argument. This height measured
in stream units of the stream associated with the argument, which must
be a fontmetrics object.
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
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Created 2000.10.5.