Basic TeX question, how to redefine ^^M

Basic TeX question, how to redefine ^^M

[Zhichu Chen]

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Hi everybody,

I want to insert some special thing between every paragraph, e.g., I'd like
to make each paragraph on seperated pages. Then I use:

=============================
\appendtoks\feedcurrentpage\to\everypar
\def\feedcurrentpage{\page[yes]}
=============================

and ConTeXt gives an error about TeX capacity exceeded. And I define:

=====================
\def\^^M{\endgraf\page[yes]}
=====================
nothing happened.

So I'm lost. Can you tell me how to make it?

-- 
Best Regards
Chen
----------------------------------------------------------------

          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
         No. 2019 | Jialuo Rd. | Jiading | Shanghai | P.R. China
             tel: 086 21 5955 3405 | zhichu.chen.googlepages.com
                                               | www.sinap.ac.cn
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Re: Basic TeX question, how to redefine ^^M

[Aditya Mahajan]

On Fri, 20 Apr 2007, Zhichu Chen wrote:

> Hi everybody,
> =====================
> \def\^^M{\endgraf\page[yes]}
> =====================
> nothing happened.
>
> So I'm lost. Can you tell me how to make it?

This seems to work for me:

\starttext
\catcode`\^^M=\active
\def^^M{\page[yes]}


This

Test

\stoptext

Aditya

Re: Basic TeX question, how to redefine ^^M

[Zhichu Chen]

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Hi Aditya,

Thank you for pointing out my foolish mistake.


On 4/20/07, Aditya Mahajan <adityam@umich.edu> wrote:
>
> On Fri, 20 Apr 2007, Zhichu Chen wrote:
>
> > Hi everybody,
> > =====================
> > \def\^^M{\endgraf\page[yes]}
> > =====================
> > nothing happened.
> >
> > So I'm lost. Can you tell me how to make it?
>
> This seems to work for me:
>
> \starttext
> \catcode`\^^M=\active
> \def^^M{\page[yes]}
>
>
> This
>
> Test
>
> \stoptext
>
> Aditya
> _______________________________________________
> ntg-context mailing list
> ntg-context@ntg.nl
> http://www.ntg.nl/mailman/listinfo/ntg-context
>



-- 
Best Regards
Chen
----------------------------------------------------------------

          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
         No. 2019 | Jialuo Rd. | Jiading | Shanghai | P.R. China
             tel: 086 21 5955 3405 | zhichu.chen.googlepages.com
                                               | www.sinap.ac.cn
----------------------------------------------------------------

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Re: Basic TeX question, how to redefine ^^M

[Hans Hagen]

Aditya Mahajan wrote:
> On Fri, 20 Apr 2007, Zhichu Chen wrote:
>
>   
>> Hi everybody,
>> =====================
>> \def\^^M{\endgraf\page[yes]}
>> =====================
>> nothing happened.
>>
>> So I'm lost. Can you tell me how to make it?
>>     
>
> This seems to work for me:
>
> \starttext
> \catcode`\^^M=\active
> \def^^M{\page[yes]}
>
>
> This
>
> Test
>
> \stoptext
>
>   
\obeylines
\def\obeyedline{\page[yes]}

should also work 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: Basic TeX question, how to redefine ^^M

[Aditya Mahajan]

On Fri, 20 Apr 2007, Zhichu Chen wrote:

> Hi Aditya,
>
> Thank you for pointing out my foolish mistake.

Remember that this only works if each paragraph is a single line. See 
the output of

\starttext
\catcode`\^^M=\active
\def^^M{\page[yes]}

\input knuth

\stoptext

Aditya

>
> On 4/20/07, Aditya Mahajan <adityam@umich.edu> wrote:
>> 
>> On Fri, 20 Apr 2007, Zhichu Chen wrote:
>> 
>> > Hi everybody,
>> > =====================
>> > \def\^^M{\endgraf\page[yes]}
>> > =====================
>> > nothing happened.
>> >
>> > So I'm lost. Can you tell me how to make it?
>> 
>> This seems to work for me:
>> 
>> \starttext
>> \catcode`\^^M=\active
>> \def^^M{\page[yes]}
>> 
>> 
>> This
>> 
>> Test
>> 
>> \stoptext
>> 
>> Aditya
>> _______________________________________________
>> ntg-context mailing list
>> ntg-context@ntg.nl
>> http://www.ntg.nl/mailman/listinfo/ntg-context
>> 
>
>
>
>

-- 
Aditya Mahajan | EECS Systems, University of Michigan
http://www.eecs.umich.edu/~adityam | Ph: 734.262.4008

Re: Basic TeX question, how to redefine ^^M

[Zhichu Chen]

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Thanks Hans, your code is fine too.


On 4/20/07, Aditya Mahajan <adityam@umich.edu> wrote:
>
> On Fri, 20 Apr 2007, Zhichu Chen wrote:
>
> > Hi Aditya,
> >
> > Thank you for pointing out my foolish mistake.
>
> Remember that this only works if each paragraph is a single line. See
> the output of
>
> \starttext
> \catcode`\^^M=\active
> \def^^M{\page[yes]}
>
> \input knuth
>
> \stoptext



Oh, it's bad. Maybe I shall define ^^M in a better way, like check the next
character and if it's ^^M too, futurelet the next ^^M to be \page[yes]. I
will think through the logic.

Thanks Aditya.

Aditya
>
> >
> > On 4/20/07, Aditya Mahajan <adityam@umich.edu> wrote:
> >>
> >> On Fri, 20 Apr 2007, Zhichu Chen wrote:
> >>
> >> > Hi everybody,
> >> > =====================
> >> > \def\^^M{\endgraf\page[yes]}
> >> > =====================
> >> > nothing happened.
> >> >
> >> > So I'm lost. Can you tell me how to make it?
> >>
> >> This seems to work for me:
> >>
> >> \starttext
> >> \catcode`\^^M=\active
> >> \def^^M{\page[yes]}
> >>
> >>
> >> This
> >>
> >> Test
> >>
> >> \stoptext
> >>
> >> Aditya
> >> _______________________________________________
> >> ntg-context mailing list
> >> ntg-context@ntg.nl
> >> http://www.ntg.nl/mailman/listinfo/ntg-context
> >>
> >
> >
> >
> >
>
> --
> Aditya Mahajan | EECS Systems, University of Michigan
> http://www.eecs.umich.edu/~adityam | Ph: 734.262.4008
> _______________________________________________
> ntg-context mailing list
> ntg-context@ntg.nl
> http://www.ntg.nl/mailman/listinfo/ntg-context
>



-- 
Best Regards
Chen
----------------------------------------------------------------

          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
         No. 2019 | Jialuo Rd. | Jiading | Shanghai | P.R. China
             tel: 086 21 5955 3405 | zhichu.chen.googlepages.com
                                               | www.sinap.ac.cn
----------------------------------------------------------------

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Re: Basic TeX question, how to redefine ^^M

[Zhichu Chen]

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Hi, Aditya

I've made another definition, the output is OK, with some errors. Can you
tell me what's wrong?

==============================
\starttext

\catcode`\^^M=\active
\def^^M#1{\ifx#1^^M\page[yes]\else{} #1\fi}

Hello body
hello

Hi

\input knuth

\stoptext
=================================


On 4/20/07, Aditya Mahajan <adityam@umich.edu> wrote:
>
> On Fri, 20 Apr 2007, Zhichu Chen wrote:
>
> > Hi Aditya,
> >
> > Thank you for pointing out my foolish mistake.
>
> Remember that this only works if each paragraph is a single line. See
> the output of
>
> \starttext
> \catcode`\^^M=\active
> \def^^M{\page[yes]}
>
> \input knuth
>
> \stoptext
>
> Aditya
>
> >
> > On 4/20/07, Aditya Mahajan <adityam@umich.edu> wrote:
> >>
> >> On Fri, 20 Apr 2007, Zhichu Chen wrote:
> >>
> >> > Hi everybody,
> >> > =====================
> >> > \def\^^M{\endgraf\page[yes]}
> >> > =====================
> >> > nothing happened.
> >> >
> >> > So I'm lost. Can you tell me how to make it?
> >>
> >> This seems to work for me:
> >>
> >> \starttext
> >> \catcode`\^^M=\active
> >> \def^^M{\page[yes]}
> >>
> >>
> >> This
> >>
> >> Test
> >>
> >> \stoptext
> >>
> >> Aditya
> >> _______________________________________________
> >> ntg-context mailing list
> >> ntg-context@ntg.nl
> >> http://www.ntg.nl/mailman/listinfo/ntg-context
> >>
> >
> >
> >
> >
>
> --
> Aditya Mahajan | EECS Systems, University of Michigan
> http://www.eecs.umich.edu/~adityam | Ph: 734.262.4008
> _______________________________________________
> ntg-context mailing list
> ntg-context@ntg.nl
> http://www.ntg.nl/mailman/listinfo/ntg-context
>



-- 
Best Regards
Chen
----------------------------------------------------------------

          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
         No. 2019 | Jialuo Rd. | Jiading | Shanghai | P.R. China
             tel: 086 21 5955 3405 | zhichu.chen.googlepages.com
                                               | www.sinap.ac.cn
----------------------------------------------------------------

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maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________

Re: Basic TeX question, how to redefine ^^M

[Aditya Mahajan]

On Mon, 23 Apr 2007, Zhichu Chen wrote:

> Hi, Aditya
>
> I've made another definition, the output is OK, with some errors. Can you
> tell me what's wrong?

Here is a more robust solution

\everypar{%
\let\normalpar\par%
\let\par\donothing%
\page[yes]%
\let\par\normalpar}

or

\everypar{%
\begingroup
\let\par\donothing%
\page[yes]%
\endgroup}

or

\everypar{%
\bgroup
\let\par\donothing%
\page[yes]%
\egroup}

Aditya
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________

Re: Basic TeX question, how to redefine ^^M

[Hans Hagen]

Aditya Mahajan wrote:
> On Mon, 23 Apr 2007, Zhichu Chen wrote:
>
>   
>> Hi, Aditya
>>
>> I've made another definition, the output is OK, with some errors. Can you
>> tell me what's wrong?
>>     
>
> Here is a more robust solution
>
> \everypar{%
> \let\normalpar\par%
> \let\par\donothing%
> \page[yes]%
> \let\par\normalpar}
>
> or
>
> \everypar{%
> \begingroup
> \let\par\donothing%
> \page[yes]%
> \endgroup}
>
> or
>
> \everypar{%
> \bgroup
> \let\par\donothing%
> \page[yes]%
> \egroup}
>   
you loose a lot of features this way

\EveryPar{}

may be more helpful then

or maybe

\prependtoks\page[yes]\to\everypar

> Aditya
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : https://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________
>   


-- 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : https://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________

Re: Basic TeX question, how to redefine ^^M

[Zhichu Chen]

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Hi Hans,

Thank you and thank Aditya for helping me so much.

Your codes are OK with some small test files. But in my file, pdftex just
hang up. I used page arrangement, and pop 26 sub-pages (\box255 or
something) onto a pdf page, and pdftex refuse to go on when the log shows
that the 14th page is been processing.

But the previous codes that you or Aditya gave me are OK with my complex
document:
both
======================
\obeylines
\def\obeyedline{\page[yes]}
======================
and
======================
\catcode`\^^M=\active
\def^^M{\page[yes]}
======================
works well with my document (since they are the same).

I will try to redefine ^^M to meet my need. And until I make it, I'll try to
write one paragraph on one line or put a comment symbol % at the end of a
line to avoid unwanted things.

I'm sorry I can't upload my file because it's a Chinese module and you need
to install the fonts, they are huge and messy. I think few of you are
interested in it.

On 4/23/07, Hans Hagen <pragma@wxs.nl> wrote:
>
> Aditya Mahajan wrote:
> > On Mon, 23 Apr 2007, Zhichu Chen wrote:
> >
> >
> >> Hi, Aditya
> >>
> >> I've made another definition, the output is OK, with some errors. Can
> you
> >> tell me what's wrong?
> >>
> >
> > Here is a more robust solution
> >
> > \everypar{%
> > \let\normalpar\par%
> > \let\par\donothing%
> > \page[yes]%
> > \let\par\normalpar}
> >
> > or
> >
> > \everypar{%
> > \begingroup
> > \let\par\donothing%
> > \page[yes]%
> > \endgroup}
> >
> > or
> >
> > \everypar{%
> > \bgroup
> > \let\par\donothing%
> > \page[yes]%
> > \egroup}
> >
> you loose a lot of features this way
>
> \EveryPar{}
>
> may be more helpful then
>
> or maybe
>
> \prependtoks\page[yes]\to\everypar
>
> > Aditya
> >
> ___________________________________________________________________________________
> > If your question is of interest to others as well, please add an entry
> to the Wiki!
> >
> > maillist : ntg-context@ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
> > webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> > archive  : https://foundry.supelec.fr/projects/contextrev/
> > wiki     : http://contextgarden.net
> >
> ___________________________________________________________________________________
> >
>
>
> --
>
> -----------------------------------------------------------------
>                                          Hans Hagen | PRAGMA ADE
>              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
>                                             | www.pragma-pod.nl
> -----------------------------------------------------------------
>
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : https://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
>
> ___________________________________________________________________________________
>



-- 
Best Regards
Chen
----------------------------------------------------------------

          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
         No. 2019 | Jialuo Rd. | Jiading | Shanghai | P.R. China
             tel: 086 21 5955 3405 | zhichu.chen.googlepages.com
                                               | www.sinap.ac.cn
----------------------------------------------------------------

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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : https://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________