Objective Caml interface to Tk

LablTk is an interface to the Tcl/Tk GUI framework. It allows to
develop GUI applications in a speedy and type safe way. A legacy
Camltk interface is included. The OCamlBrowser library viewer is
also part of this project.

WWW: https://forge.ocamlcore.org/projects/labltk/

PR: 195737
Submitted by: Michael Grunewald <michipili at gmail.com>