Calls its EMS counterpart which is system-specific - for more details see SSN/4.
Calls its EMS counterpart which will generally need to be rewritten for each new target platform. Current versions have the appropriate messages hardwired into the code. For more details see SSN/4.
Calls its EMS counterpart which is platform specific. For more details see SSN/4.
These routines call their EMS counterpart and behave differently on different systems in the event of an error. Sometimes the errors are reported by Fortran and can be trapped but sometimes they are not. If they are reported, the token remains unset but if they are not reported, the character string generated can differ.
MERS (MSG and ERR) Message and Error Reporting Systems