Hendri Adriaens has uploaded a new version to cam.ctan.org:
xkvview v1.4a: Resolved a small inconsistency in defs in xkeyval.tex and xkvview.sty.
The update has been installed at Cambridge and will make its way to the other ctan sites over the next few hours.
You can view the entire distribution at
http://www.tex.ac.uk/tex-archive/macros/latex/contrib/xkeyval/
and download the lot using
http://www.tex.ac.uk/tex-archive/macros/latex/contrib/xkeyval.zip
Robin Fairbairns
For the CTAN team