Controls the appearance of warning or error numbers in displayed messages.
#pragma showmessagenumber on | off | reset
When enabled, this pragma causes messages to appear with their numbers visible. You can then use the warning pragma with a warning number to suppress the appearance of specific warning messages.
This pragma does not correspond to any panel setting. To check this pragma use __option (showmessagenumber), described in Checking Settings. The default setting is off.