| form imagename |
imagename _ (10000 atRandom printString), '.gif'.
request fields ifNotNil: [
form _ MathEquationLaTeX from:
(request fields notNil ifTrue: [request fields at: 'latex' ifAbsent: ['']] ifFalse: ['']).
(FileDirectory on: (MathAction serverDirectory)) deleteFileNamed: imagename.
GIFReadWriter putForm: form onFileNamed:
(MathAction serverDirectory,imagename).
].
''.
?>
request fields
ifNotNil: ['']
ifNil: [''].
?>