MscGen mode
Xù mode
MsGenny mode
Simple mode for highlighting MscGen and two derived sequence chart languages.
MIME types defined:
      text/x-mscgen
      text/x-xu
      text/x-msgenny
    
Simple mode for highlighting MscGen and two derived sequence chart languages.
MIME types defined:
      text/x-mscgen
      text/x-xu
      text/x-msgenny