It is recommended that a report message not begin with any introductory text, such as "Error: " or "Warning: " or even just freshline or newline. Such text is added, if appropriate to the context, by the routine invoking the condition reporter.
It is recommended that a report message not be followed by a trailing freshline or newline. Such text is added, if appropriate to the context, by the routine invoking the condition reporter.
(error "This is a message.~ (error "~&This is a message.") ; Not recommended (error "~&This is a message.~ (error "This is a message.") ; Recommended instead
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