[luatex] incompatible change to mathcode

David Carlisle davidc at nag.co.uk
Wed May 9 13:53:34 CEST 2012

On 09/05/2012 12:46, Taco Hoekwater wrote:

> Well, in luatex tries to be 100% compatible with XeTeX (where
> applicable) and in this case it clearly wasn't, so that qualifies
> as a bug.

Oh OK, thanks that's useful information. So if I get more reports of 
packages doing different things on the two engines I'll go that route.

> As was the missing \Umathcharnumdef that I added this
> morning btw.

Yes thanks to all for that quick patch.

>> Given that bm has been completely stable for 20 years, it's not that big
>> a deal to have to update it for the unicode age, but it would be good
>> (for bm, and for every other math package author) if that only needs to
>> be done once. My main concern was that was not the case. But actually if
>> I understand the replies correctly I should be able to share the code
>> for xelatex and lualatex so long as I avoid \mathcode once I have
>> detected either of them?
> I think so,

I'll give it a try later.

> but I have no knowledge of the internals of bm.

I'd advise staying in that state:-)
> Best wishes,
> Taco


The Numerical Algorithms Group Ltd is a company registered in England
and Wales with company number 1249803. The registered office is:
Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom.

This e-mail has been scanned for all viruses by Star. The service is
powered by MessageLabs. 

More information about the luatex mailing list