\intertext{\ccaron} fails

\intertext{\ccaron} fails

[Mojca Miklavec]

Hello (Hans, Aditya),

I know that neither of you is interested in mkii at the moment, but
there's a nasty bug that probably has a trivial fix in alignment
environments. Unicode characters have some problems inside
\intertext{...}

\startformula\startalign
\intertext{še če je že}
\stopalign\stopformula

I remember the same problem in \startcases in the past that got fixed.

Thanks for considering,
   Mojca
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Re: \intertext{\ccaron} fails

[Wolfgang Schuster]

Am 23.02.2009 um 17:27 schrieb Mojca Miklavec:

> Hello (Hans, Aditya),
>
> I know that neither of you is interested in mkii at the moment, but
> there's a nasty bug that probably has a trivial fix in alignment
> environments. Unicode characters have some problems inside
> \intertext{...}
>
> \startformula\startalign
> \intertext{še če je že}

\intertext{\mbox{še če je že}}

> \stopalign\stopformula

Wolfgang


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Re: \intertext{\ccaron} fails

[Mojca Miklavec]

On Tue, Feb 24, 2009 at 00:06, Wolfgang Schuster wrote:
>
> Am 23.02.2009 um 17:27 schrieb Mojca Miklavec:
>
>> Hello (Hans, Aditya),
>>
>> I know that neither of you is interested in mkii at the moment, but
>> there's a nasty bug that probably has a trivial fix in alignment
>> environments. Unicode characters have some problems inside
>> \intertext{...}
>>
>> \startformula\startalign
>> \intertext{še če je že}
>
> \intertext{\mbox{še če je že}}

But then it becomes a box, while \intertext can be a paragraph in general.

>> \stopalign\stopformula

I've digged out an old thread:

http://thread.gmane.org/gmane.comp.tex.context/23043
Subject: [NTG-context] accents inside text mode inside math
Date: 2005-10-20

On Wed, Nov 9, 2005 at 20:43, Hans Hagen wrote:
> Taco Hoekwater wrote:
>
>> Hans Hagen wrote:
>>
>>> actually, \cases{&\tf \ccaron}$ works ok
>>
>> Without the \tf, \characterencoding is '@default@' instead
>> of '@ec@'. Does that help pinpoint the problem?
>
> this seems to work, the problem is that there is no \everyfam
>
> \starttext
>
> \def\enableencodinginmath
>  {\appendtoks
>    \everyhbox{\mr\everyhbox\emptytoks}%
>    \everyvbox{\mr\everyvbox\emptytoks}%
>  \to \everymath}
>
> \enableencodinginmath
>
> $\cases{& \ccaron}$
>
> $x=\hbox{\ccaron$x=\hbox{\ccaron}$}$
>
> \stoptext

Using \intertext{\rm še če je že \dorecurse{100}{bla}} works OK, but
it would be nice to fix it globally/automatically.

I also found this:
    http://thread.gmane.org/gmane.comp.tex.context.devel/486

This solves the problem, but I'm not sure if it's the right fix and it
also needs to be fixed for \startintertext:
    \def\intertext#1%
      {\noalign{\dointertext{\rm#1}}}

Hans?

Thanks a lot,
   Mojca
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Re: \intertext{\ccaron} fails

[Wolfgang Schuster]

Am 28.02.2009 um 18:14 schrieb Mojca Miklavec:

> I also found this:
>    http://thread.gmane.org/gmane.comp.tex.context.devel/486

I'm not sure which fix you mean but this works:

\def\dealwithmathtextencoding
  {\expanded{\everyhbox{\the\everyhbox\noexpand 
\fastenableencoding{\currentencoding}}}%
   \expanded{\everyvbox{\the\everyhbox\noexpand 
\fastenableencoding{\currentencoding}}}%
   \def\dealwithmathtextencoding{\let\characterencoding 
\nocharacterencoding}%
   \dealwithmathtextencoding}

> This solves the problem, but I'm not sure if it's the right fix and it
> also needs to be fixed for \startintertext:
>    \def\intertext#1%
>      {\noalign{\dointertext{\rm#1}}}

Please don't introduce hard coded font switches.

Wolfgang

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Re: \intertext{\ccaron} fails

[Mojca Miklavec]

On Sun, Mar 1, 2009 at 11:53, Wolfgang Schuster wrote:
>
> Am 28.02.2009 um 18:14 schrieb Mojca Miklavec:
>
>> I also found this:
>>   http://thread.gmane.org/gmane.comp.tex.context.devel/486
>
> I'm not sure which fix you mean but this works:
>
> \def\dealwithmathtextencoding
>  {\expanded{\everyhbox{\the\everyhbox\noexpand\fastenableencoding{\currentencoding}}}%
>  \expanded{\everyvbox{\the\everyhbox\noexpand\fastenableencoding{\currentencoding}}}%
>  \def\dealwithmathtextencoding{\let\characterencoding\nocharacterencoding}%
>  \dealwithmathtextencoding}

Great! Thanks a lot for "filling the empty vboxes" :)

Hans, may I request applying Wolfgang's patch?

>> This solves the problem, but I'm not sure if it's the right fix and it
>> also needs to be fixed for \startintertext:
>>   \def\intertext#1%
>>     {\noalign{\dointertext{\rm#1}}}
>
> Please don't introduce hard coded font switches.

You are totally right. Mea culpa.

Mojca
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Re: \intertext{\ccaron} fails

[Hans Hagen]

Mojca Miklavec wrote:
> On Sun, Mar 1, 2009 at 11:53, Wolfgang Schuster wrote:
>> Am 28.02.2009 um 18:14 schrieb Mojca Miklavec:
>>
>>> I also found this:
>>>   http://thread.gmane.org/gmane.comp.tex.context.devel/486
>> I'm not sure which fix you mean but this works:
>>
>> \def\dealwithmathtextencoding
>>  {\expanded{\everyhbox{\the\everyhbox\noexpand\fastenableencoding{\currentencoding}}}%
>>  \expanded{\everyvbox{\the\everyhbox\noexpand\fastenableencoding{\currentencoding}}}%
>>  \def\dealwithmathtextencoding{\let\characterencoding\nocharacterencoding}%
>>  \dealwithmathtextencoding}
> 
> Great! Thanks a lot for "filling the empty vboxes" :)
> 
> Hans, may I request applying Wolfgang's patch?

you may, but only for mkii ... i'v eremoved that code for mkic as we 
have no encodings there any longer

>>> This solves the problem, but I'm not sure if it's the right fix and it
>>> also needs to be fixed for \startintertext:
>>>   \def\intertext#1%
>>>     {\noalign{\dointertext{\rm#1}}}
>> Please don't introduce hard coded font switches.
> 
> You are totally right. Mea culpa.




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Re: \intertext{\ccaron} fails

[Mojca Miklavec]

On Sun, Mar 1, 2009 at 19:43, Hans Hagen wrote:
> Mojca Miklavec wrote:
>>
>> Hans, may I request applying Wolfgang's patch?
>
> you may, but only for mkii ... i'v eremoved that code for mkic as we have no
> encodings there any longer

Sure. In mkiv it already works OK.

Thanks,
    Mojca
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Re: \intertext{\ccaron} fails

[Wolfgang Schuster]

On Sun, Mar 1, 2009 at 7:34 PM, Mojca Miklavec
<mojca.miklavec.lists@gmail.com> wrote:

>>> Am 28.02.2009 um 18:14 schrieb Mojca Miklavec:
>>>
>>> I also found this:
>>>   http://thread.gmane.org/gmane.comp.tex.context.devel/486
>>
>> I'm not sure which fix you mean but this works:
>>
>> \def\dealwithmathtextencoding
>>  {\expanded{\everyhbox{\the\everyhbox\noexpand\fastenableencoding{\currentencoding}}}%
>>  \expanded{\everyvbox{\the\everyhbox\noexpand\fastenableencoding{\currentencoding}}}%
>>  \def\dealwithmathtextencoding{\let\characterencoding\nocharacterencoding}%
>>  \dealwithmathtextencoding}
>
> Great! Thanks a lot for "filling the empty vboxes" :)
>
> Hans, may I request applying Wolfgang's patch?

This is not my patch, it's from Hans and I found it in the thread above
you mentioned (and started ;-).

Wolfgang
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