Given —
\catcode 9 = 9
\let ~ = \undefined
^^I~
\end
why does XeTeX report
This is XeTeX, Version 3.141592653-2.6-0.93 (TeX Live 2021/W32TeX)
(preloaded format=xetex)
restricted \write18 enabled.
entering extended mode
(./untitled-10.tex
! Undefined control sequence.
l.3 ^^I~
?
T
On 16/04/2023 17:16, Philip Taylor (RHBNC) wrote:
Given —
\catcode 9 = 9
\let ~ = \undefined
^^I~
\end
why does XeTeX report
This is XeTeX, Version 3.141592653-2.6-0.93 (TeX Live 2021/W32TeX)
(preloaded format=xetex)
restricted \write18 enabled.
entering extended mode
(./untitled
On 16/04/2023 17:37, Jonathan Kew wrote:
First note: I see the same result with plain TeX. So not a XeTeX issue.
Agreed, but as I use only XeTeX this seemed the right place to ask. I
did test with PdfTeX (not having plain TeX in my TeXworks armoury) and
PdfTeX did much the same but put a real
ne 16. 4. 2023 v 18:44 odesílatel Philip Taylor (Hellenic Institute)
napsal:
>
> On 16/04/2023 17:37, Jonathan Kew wrote:
>
> First note: I see the same result with plain TeX. So not a XeTeX issue.
>
> Agreed, but as I use only XeTeX this seemed the right place to ask. I did
> test with PdfTeX (
On 16/04/2023 19:30, Zdeněk Wagner wrote:
The mouth reads the input and assigns categories, thus
it sees ^^I as the character with code 0x09, assigns category 9 to it
(ignored character) and sends this token to the stomach.
Wel, that's not what Knuth says at Exercise 7.3, Zdeněk —
[Q] Some
