stream := PROutputStream on: String new writeStream. configuration := PRCocoonConfiguration new. stream configuration: configuration. canvas := PRLaTeXCanvas on: stream.canvas raw: '$'. canvas command name: 'frac'; parameter: 'numerator'; parameter: 'denominator'. canvas raw: '$'. canvas flush
Why not? stream := PROutputStream on: String new writeStream. canvas := PRLaTeXCanvas on: stream.