[1X1 Introduction[0X
The aim of this package is to turn [5X GAP [0m more user-friendly, at least for
semigroup theorists. It requires the usage of external programs as is the
case of [10Xgraphviz[0m [DEGKNW02], a software for drawing graphs developed at AT &
T Labs, that can be obtained at [7Xhttp://www.graphviz.org/[0m. It is used not
only to draw right Cayley graphs of finite semigroups and Sch{\"u}zenberger
graphs of finite inverse semigroups but also to visualize in the usual way
the egg-box picture of a D-classe of a finite semigroup. [12XImportant note[0m: The
version of [10Xgraphviz[0m to install should be greater or equal to 1.16. Tcl/Tk
should also be available in order to run the graphical interfaces
(XAutomaton and XSemigroup) used to specify automata and semigroups.
