[Xy-pic] Tall matrix entries

Vadim Yu. Radionov vadim@mccme.ru
Wed, 27 Jun 2001 15:42:52 MSD

Dear Ross!

Last night I found much more elegant (obvious?) Xy-pic solution to
that problem: 


See some examples at http://www.mccme.ru/~vadim/examples/test.pdf
or just try \xymatrix{\widetilde W \ar[r] & W} with/without it.

I wonder, isn't it the desired default behavior for xy-matrices?