ok => $ok, -- unused

bounds => $bounds, -- A value is out of rang

overflow => $overflow, -- A computation overflowed

zeroDivide => $zeroDivide, -- divide by zero

nilFault => $nilFault, -- a NIL value was encountered

insufficientMemory => $insufficientMemory, -- out of memory

ioError => $ioError, -- unrecoverable I/O error

timeout => $timeout, -- some resource timed out

eof => $eof, -- unexpected end-of-file

numericalInstability => $numericalInstability, -- dubious floating-point computation

bug => $bug, -- an internal error

fileNotFound => $fileNotFound,

colorModelOperatorNotFound => $colorModelOperatorNotFound,

colorOperatorNotFound => $colorOperatorNotFound,

colorNotFound => $colorNotFound,

decompressorNotFound => $decompressorNotFound,

fontNotFound => $fontNotFound,

operatorNotFound => $operatorNotFound,

resourceNotFound => $resourceNotFound,

accessError => $accessError,

syntax => $syntax,

undefinedOperation => $undefinedOperation,

invalidCompressedSequence => $invalidCompressedSequence,

malformedFont => $malformedFont,

invalidEncoding => $invalidEncoding,

invalidHeader => $invalidHeader,

invalidIdentifier => $invalidIdentifier,

invalidInstructionProperty => $invalidInstructionProperty,

invalidName => $invalidName,

invalidString => $invalidString,

invalidToner => $invalidToner,

invalidVersion => $invalidVersion,

nullValue => $nullValue, -- an uninitialized value was encountered

illegalAlternateMetrics => $illegalAlternateMetrics,

illegalColor => $illegalColor,

unknownSpecialColor => $unknownSpecialColor,

unknownSignalType => $unknownSignalType,

wrongShape => $wrongShape,

wrongSize => $wrongSize,

notCardinal => $notCardinal,

notInteger => $notInteger,

notNumber => $notNumber,

wrongType => $wrongType,

noFont => $noFont,

illegalArguments => $illegalArguments,

illegalTransformation => $illegalTransformation,

illegalPixelMask => $illegalPixelMask,

illegalPropertyVector => $illegalPropertyVector,

illegalRunVector => $illegalRunVector,

undefinedProperty => $undefinedProperty,

stackOverflow => $stackOverflow,

stackUnderflow => $stackUnderflow,

saveRestoreMismatch => $saveRestoreMismatch,

markMismatch => $markMismatch,

unmarkFailed => $unmarkFailed,

invalidOperationSequence => $invalidOperationSequence,

obsoleteConstruct => $obsoleteConstruct,

unsupportedColorOperator => $unsupportedColorOperator,

notImplemented => $notImplemented, -- not currently implemented

unimplemented => $unimplemented, -- not implemented, probably for a good reason

squareEndOnStrokeOfZeroLength => $squareEndOnStrokeOfZeroLength,

unableToProperlyAdjustMaskPositions => $unableToProperlyAdjustMaskPositions,

noSubstituteColor => $noSubstituteColor,

fontSubstitution => $fontSubstitution,

appearance => $appearance,

error => $error,

copySensitive => $copySensitive,

ENDCASE => NIL