[Xy-pic] Environment form of Xy-pic

Rafael Villarroel rvf_lists at fastmail.fm
Wed Jun 2 22:33:04 CEST 2004

I want to do some macros for big commutative diagrams (with more than
9 arguments), and it would help a lot if there were an environment
equivalent of the \xymatrix command, so that for example


is equivalent to


for some suitable someenv environment. 

Any comments on this would be appreciated. Thanks


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