[texhax] Help with Miktex

[Bob Tennent]

 >|It is in \miktex 2.8\tex\generic\xypic and \miktex 2.8 is one of the root
 >|directories shown.  The file in question is called xybarr.tex and has been
 >|newly added as an xy-pic option.

It's not a good idea to put local or personal files in the MiKTeX
distribution tree. Is there a local texmf root listed? If so, put
your file in tex\generic\xypic below that. If you don't have a local
texmf tree, you can create it and add it to the search path.

Bob T.