There seems to be something wrong with the dotted arrows.
I tried different codes.
The following code compiles.
---
\input xy
\xyoption{all}
\starttext
\startformula
\xymatrix{
& W \ar[dr]^{f_2} \ar@{.>}[d]_{f} \ar[dl]_{f_1} &&\\
X & X \times Y \ar[l]_{p_1} \ar[r]^{p_2} & Y }
\stopformula
\stoptext
---
Dirard
* On 01/05/07 at 22:10 luigi scarso
hmm, try this
\input xy \xyoption{all} \unprotect \appendtoks \xywithoption{tips}{\let\tipsize <at> <at> \bodyfontpoint}% \to\everybodyfont \protect %\endinput % \usemodule[xypic] \starttext \startformula \xymatrix{ & W \ar[dr]^{f_2} \ar@{.>}[d]_{f} \ar[dl]_{f_1} &&\\ X & X \times Y \ar[l]_{p_1} \ar[r]^{p_2} & Y } \stopformula \stoptext
btw, not sure it works; something strange near W in your xymatrix -- luigi ---------------------------------------------------------------- If your question is of interest to others as well, please add an entry to the Wiki!
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