developer is officially maintaining the package.
The rationale for changing this from "tech-pkg" to "pkgsrc-users" is
that it implies that any user can try to maintain the package (by
submitting patches to the mailing list). Since the folks most likely
to care about the package are the folks that want to use it or are
already using it, this would leverage the energy of users who aren't
developers.
A model is a simplified representation of the real world. Engineers
use models to gain confidence in the adequacy and validity of a proposed
design.
Models are described using state machines, known as Labelled Transition
Systems (LTS). These are described textually as Finite State Processes
(FSP) and displayed and analysed by the LTSA analysis tool.
This package provides the LTSA utility exposed above. It is specially
useful to be used together with the 'Concurrency: State Models & Java
Programs' book, whose page is at http://www-dse.doc.ic.ac.uk/concurrency/.