Fachbereich/Department ersetzen durch Specialisation

New words!

• [ ] make it possible for students to chose school RVE in /edit/tags
• replace all occurences of "department" with "specialisation" in the copy (ignoring urls)
• replace all occurences of "fachbereich" with "specialisation" in the copy (ignoring urls)
• Navigation von https://portfolio.fh-salzburg.ac.at/departments/web zurück zu https://portfolio.fh-salzburg.ac.at/schools/MMT