[Xy-pic] xypdf option

[Daniel Müllner]

Hi Leonardo,

(1) The current Xy-pic version is 3.8.9, not 3.7. Please update.

(2) I strongly recommend to not load Xy-pic twice (with \usepackage{xy}
and \input xy). The User Guide tells you how to load Xy-pic correctly
and enable the various options. See
http://mirrors.ctan.org/macros/generic/diagrams/xypic/doc/xyguide.pdf

Regards,

Daniel