[lltx] Re: xunicode & euenc

[Will Robertson]

On 26/03/2010, at 2:04 AM, Elie Roux wrote:

> For your information, here is the answer of Ross, which conforts me in the idea of forking xunicode is the only option for it to work properly with LuaTeX...

Not sure if posting his private answer on a public forum is such a good idea, but thanks for forwarding it.  I can definitely see where Ross is coming from.  For our work with euenc, then, I have a couple of proposals:

* Let's drop the idea of the "extras package" which provides TIPA support and so on. I think this is very niche functionality that will hardly see an audience. Remember that documents these days will usually be encoded in unicode anyway; the big advantage to xunicode is the backwards compatibility aspect providing unicode definitions for the standard LaTeX accent commands. TIPA is not among these.

* Try to counteract any conflicts that may occur with (new) euenc plus old xunicode. It might be that we can only incorporate xunicode into the EU2 encoding to avoid problems with backwards compatibility in XeTeX. If Ross is stepping back for supplying xunicode for LuaTeX, I see no problem with incorporating its features into euenc.

* Still, let's research what xunicode is doing that might be XeTeX-specific and report back to Ross what differences there are (if any) for LuaTeX (including things like \iffontchar for features that don't exist yet). I would be pretty surprised if the package didn't work flawlessly as is, but I might have missed an edge case.

I think there's no point inventing a wrapper package for xunicode.

I'd like to aim to have something concrete to talk to Ross about at TUG 2010, which gives me lots of time to think about the things above. Considering I haven't even got fontspec ready yet I'd say I need the time :)

Any thoughts?

-- Will

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