[tex-live] TL expl3 update broke a mwe for me

[Scott Kostyshak]

On Sun, Jan 03, 2016 at 05:29:58PM +0000, Joseph Wright wrote:
> On 03/01/2016 16:53, Scott Kostyshak wrote:
> > On Sun, Jan 03, 2016 at 08:10:24AM +0000, Joseph Wright wrote:
> >> On 03/01/2016 08:02, Ingo Krabbe wrote:
> >>>
> >>> There it is: When luatex reads CaseFolding it fails to read over a UTF-8 Sequence in a comment!
> >>>
> >>> There are two errors. 1st, the luatex parser should not try to read "control sequences" in comments, should it? 2nd, a file that contains ASCII representations of unicode characters should onl have comments in the 7bit ascii range.
> >>>
> >>> Replace line 20 of CaseFolding.txt with 
> >>>
> >>> 	# full case foldings are superior: for example, they allow "MASSE" and "Ma(sharp s)e" to match.
> >>>
> >>> for example and the luatex error is gone.
> >>>
> >>> regards,
> >>>
> >>> ingo
> >>
> >> I'll take a look at this. I guess I'll have to add a defensive test in
> >> case users have picked an encoding other than UTF-8. (For the present,
> >> loading luainputenc after tcolorbox, or rather expl3, will solve the
> >> problem.)
> >>
> >> (Ideally, I'd not use encodings other than UTF-8 with LuaTeX: the docs
> >> must be new so there's no real reason to use others. However, this I
> >> guess must be supported.)
> > 
> > I don't understand (I have little knowledge in this area). Are you
> > suggesting a make a change to my system? From what I see, I do have
> > UTF-8 set:
> 
> I'm suggesting its odd to use LuaTeX with a latin9 file, which is what
> you've told luainputenc you are using. However, as I say this is an
> issue that is fixable in expl3 and will be available over the next day
> or so.

I see. Thanks for the explanation.

Scott
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