Certif SPEC Macros (www.certif.com) is the language for controlling X-ray diffractometers and synchrotrons.
This is a syntax highlight definition for editors like Gedit and others based on GtkSourceView.
Take the spec.lang file and copy it to:
~/.local/share/gtksourceview-3.0/language-specs
directory (create it if doesn't exist)/usr/share/gtksourceview-3.0/language-specs
directory for system wide installation