Xy-pic User's Guide
xypic.tex
and xypic.sty). You can also mix old and new diagrams in a
document if you load as described in section 1.1 and
add the declaration \xyoption{v2}. This provides almost full
backwards compatibility: the following are the only known exceptions:
|<< break was a bug
and has been "fixed" so it does not work any more. Fix: Put a
|<\hole break before it as described in section 2.3.
* position operator is not available.
Fix: Use the : and :: operators (described in detail in
the reference manual [8]).
as the target of an arrow command does
not work. Fix: Enclose it in braces, i.e., write
.
\pit, \apit, and \bpit commands are not
defined. Fix: Use *@{>} (or \tip) with variants and
rotation.
\rto and the
others was automatically taken to be a "tail" is not supported.
Fix: Use the supported |<... notation.
. Please report all
other things that do not work the same in version 2.6 and 3.3
to the author.
Xy-pic User's Guide