From: "Hans Åberg" <haberg-1@telia.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Cc: Hans Hagen <pragma@wxs.nl>
Subject: Re: Math letters in commands
Date: Mon, 12 Sep 2016 22:02:02 +0200 [thread overview]
Message-ID: <51F6B26A-1882-49EF-B0B3-BD1D1BC13D72@telia.com> (raw)
In-Reply-To: <7e855664-30cc-67a0-fd46-2a9f744666d9@wxs.nl>
> On 12 Sep 2016, at 21:45, Hans Hagen <pragma@wxs.nl> wrote:
>
> On 9/12/2016 8:25 PM, Hans Åberg wrote:
>> But then there seems to be a bug in the LuaTex \letcharcode command: There must be a character between “$” and the first occurring \activecatcode letter. Possibly this also causes a bug in \startformula, as discussed before.
>
> it's not a bug .. tex looks ahead for a second $ and in the process expands the next token which happens to be a letter at that point so it gets injected as letter (it's the way tex works)
I’m not sure what you mean here: I must write $ ‘𝐝𝐢𝐦’ 𝑉$, because $‘𝐝𝐢𝐦’ 𝑉$ will not see the \catcode`‘=\activecatcode. So LuaTeX must see an ordinary letter after $ before it can see an \activecatcode character.
It does not happen with TeX using
\catcode`\‘=\active
\def‘#1’{\csname #1\endcsname}
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next prev parent reply other threads:[~2016-09-12 20:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-11 20:48 Hans Åberg
2016-09-12 18:25 ` Hans Åberg
2016-09-12 19:45 ` Hans Hagen
2016-09-12 20:02 ` Hans Åberg [this message]
2016-09-13 5:57 ` Hans Hagen
2016-09-13 8:16 ` Hans Åberg
2016-09-13 8:27 ` Hans Åberg
2016-09-12 20:09 ` Hans Åberg
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