shared.ml compilation error

[sutyrin]

Hey,

I am trying to work on tasks from here, and I get this error. How could that be? Thanks.

:~/dev/pasl$ make -C pasl/tools/pview pview
make: Entering directory '/home/pavel/dev/pasl/pasl/tools/pview'
ocamlopt graphics.cmxa unix.cmxa str.cmxa  -I . shared.ml visualize.ml -o pview pview.ml
File "shared.ml", line 861, characters 10-15:
Error: Multiple definition of the extension constructor name Break.
       Names must be unique in a given structure or signature.
Makefile:13: recipe for target 'pview' failed
make: *** [pview] Error 2
make: Leaving directory '/home/pavel/dev/pasl/pasl/tools/pview'

:~/dev/pasl$ ocaml --version
The OCaml toplevel, version 4.05.0