[Xy-pic] Is there any way to get smaller hook on the arrow?

Vadim Yu. Radionov vadim at mccme.ru
Sat Mar 15 21:15:33 CET 2003

Dear list members!

Has anyone already been solving such a problem:
i need a smaller hook on the arrow \ar{^(->},
say, corresponding to xybsql10 (form where it is taken) 
loaded at 6 pt instead of 10pt (but with same line width) ?


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