sch-rnd-core            Core text-mode functionality

sch-rnd executable with the core functionality and boxsym-rnd.

Includes the Data Model, the most common Action commands, and the
native file format.

sch-rnd-core can be used in headless mode or batch/scripted mode
for automated processing, or with GUI (if sch-rnd-lib-gui and librnd
GUI HIDs are installed).
