Xy-pic User's Guide

## 1.1 Loading

The Xy-pic setup used in this guide is loaded by inserting the lines

`\input xy`
`\xyoption``{all}`

in the definitions part of your document. If you wish to load only the features you use, or you wish to use non-standard facilities like the `v2` backwards compatibility mode or the `ps` PostScript backend then this is also possible as described in the reference manual [8].

Xy-pic User's Guide