error in text of WO2011018448

[Bettina de Jong]

The flat text of WO2011018448 does not show C1, but Ci. OCR-error?

[Christophe]

Dear Mrs De Jong,

Yes, it is an OCR error. The International Bureau of the PCT does his best to proofread the OCR errors before publication. However, only a small percentage of the documents can be checked (usually around 5%) and the proofreading effort is concentrated on the worse cases.
The quality of this document being well over 99%, it was ocred by a fully automated procedure and not checked thereafter.

Best regards,

Christophe