Mathematica > Core Language > Package Development > Messages >
Mathematica > Core Language > Tuning & Debugging > Messages >

$MessageGroups

$MessageGroups
is the list of rules that gives named message groups used in functions like On and Quiet.
  • The value of $MessageGroups has the form {"name":>{symbol::tag, ...}, ...}.
  • Named groups can also appear on the right-hand side of the definitions.
  • $MessageGroups can be reset. Any string can be used as the name of a message group.
  • Predefined named message groups include:
"Compiler"warnings associated with compiled code
"Graphics"warnings associated with graphics generation
"Obsolete"warnings for obsolete functions and packages
"Packing"notifications associated with packed arrays
"Spelling"spell-checking messages for symbol names
"Symbolics"warnings associated with symbolic computation
New in 7
Ask a question about this page  |  Suggest an improvement  |  Leave a message for the team