Doubt

[hipl]

in the "timetable_defs.h"
what is this?
const qint16 TEACHER_MUST_COME_EARLIER = 4;
what is 4?

[Volker Dirr]

4 is a number. some constraints have a number. this number is only used for the teachers free periods timetable. i use it to have an easy way to deffer between detailed and non detailed timetable.