On 15 April 2015 at 21:18, Khaled Hosny <khaledho...@eglug.org> wrote: > On Wed, Apr 15, 2015 at 09:07:05PM +0100, David Carlisle wrote: >> Let me go and read some of those issues, thanks for the pointer, > > Just in case it is not clear why reviving the long dead TeX-XeT is a fix > here; TeX-XeT does not do any actual reversal but rather outputs special > opcodes in the DVI file and the DVI driver does the actual reversal, now > in the driver we do not “physically” reverse the order of the nodes but > instead change their X positions so that they are visually reversed. It > is possible to do the X manipulation in TeX, Omega does that, but not > for a mere mortal like me (and it does not help that the TeX code is > complex, interwoven and written in an archaic language I only > superficially understand), it was much easier to do it in the driver. > > Regards, > Khaled >
Yes understood. So it seems that an ideal situation would be to change the tex--xet code to not so aggressively reorder nodes. But the number of people who could do that is limited (and doesn't include me) and it's not likely to get implemented/tested in the TL2015 timeframe So given that. I can understand your call to revert to tex--xet. I think the extra nodes in math will affect some people (and certainly causes a non trivial amount of extra work on the latex test suite) but as I'm not in a position to offer a better plan I'm not going to complain too much, I've raised the issue and it's been considered, David -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex
