From: Hans Hagen <pragma@wxs.nl>
Subject: Re: ' undefined inside \startformula .. \stopformula
Date: Wed, 27 Dec 2006 09:31:16 +0100 [thread overview]
Message-ID: <45922F54.7030807@wxs.nl> (raw)
In-Reply-To: <alpine.WNT.0.81.0612261931300.3368@nqvgln>
Aditya Mahajan wrote:
> On Tue, 26 Dec 2006, Sanjoy Mahajan wrote:
>
>
>> I just noticed this test file failing:
>>
>> \starttext
>> $f'(x)$
>> \startformula
>> f^\prime(x)\quad f'(x)
>> \stopformula
>> \stoptext
>>
>> It gives:
>>
>> ! Undefined control sequence.
>> l.4 f^\prime(x)\quad f'
>> (x)
>>
>>
>
> This is a typo in math-pln.tex. The end of the file should be
>
> \bgroup
> \catcode`\_ = 13
> \catcode`\' = 13
> \doglobal\appendtoks
> \let_\activemathunderscore
> \let'\activemathquote
> \to \everymathematics %<--- was \everymath
> \egroup
>
ok, fixed ... the _ thing is kind of weird and taco and i could not cook
up a reason why plain does/needs that ; the ' (prime) is needed
this trickery is related to a change in the catcode management of
context (which interferes with some plain tex left-overs)
Hans
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next prev parent reply other threads:[~2006-12-27 8:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-26 21:59 Sanjoy Mahajan
2006-12-27 0:33 ` Aditya Mahajan
2006-12-27 2:53 ` Zhichu Chen
2006-12-27 2:58 ` Aditya Mahajan
2006-12-27 8:28 ` Hans Hagen
2006-12-27 8:31 ` Hans Hagen [this message]
2006-12-27 11:21 ` Taco Hoekwater
2006-12-27 16:31 ` Sanjoy Mahajan
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