[texhax] problem with a defined command

[Philip Taylor]

OK, so, having lied to my system as to what the file is called
and unpacked it, the abstract typesets perfectly, as does the
rest of the paper.  So I'm not sure what conclusions I am meant
to draw.  Was the author asked to submit the abstract separately,
and if so, did he fail to include all required macros, or does
the problem lie with the Arxiv system (i.e., can it process only
a subset of the commands used in the author's document) ?

** Phil.