Abstract
We report on the specification of a
subset of graphics package called Polygon Groper. We used
\o'\fIZ\(ap'\fR and its associated specification schema methodology to
specify the datastructures of Polygon Groper, the set of primitive
functions over these data structures, and the set of commands that
compose functions over these datastructures. Working strictly from
these specifications, we have located and corrected several serious
errors in Polygon Groper. The techniques are straightforward and may
be applied to any system.
Notes
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