Lablgtk-extras is downloadable here.
You can also access the Git repository.

See the INSTALL file for installation procedure.

Latest release is 1.3 (2012-12-07).

Changes: modlue renaming:Install => Gtke_install and Version => Gtke_version

The following libraries are required to compile Lablgtk-extras:

• OCaml 3.12.0 or above installed
• LablGtk 2.16.0 or above installed with findlib (with lablgtksourceview2 enabled)
• Config_file 1.1 or above installed
• Xmlm 1.1 or above installed