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[an error occurred while processing this directive] $MessagePrePrint

  • $MessagePrePrint is a global variable whose value, if set, is applied to expressions before they are included in the text of messages.
  • The default value of $MessagePrePrint is Short.
  • $MessagePrePrint is applied after each expression is wrapped with HoldForm.
  • See the Mathematica book: Section 2.8.21Section 2.13.1.
  • See also: $PrePrint.