Skipping item numbers in an itemized list?

Skipping item numbers in an itemized list?

[Alasdair McAndrew]

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Hello,

The effect I want is something like:

1. First item
2. Second item
5. Fifth item
6. Sixth item
8. Eight item

and so on.  Every now and then I need to skip a number or two.  In LaTeX I
could do this with \addtocounter{enumi}{2} - but how is this done in
ConTeXt?

Thanks very much,
Alasdair

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Re: Skipping item numbers in an itemized list?

[Wolfgang Schuster]

Am 27.04.2011 um 15:53 schrieb Alasdair McAndrew:

> Hello,
> 
> The effect I want is something like:
> 
> 1. First item
> 2. Second item
> 5. Fifth item
> 6. Sixth item
> 8. Eight item
> 
> and so on.  Every now and then I need to skip a number or two.  In LaTeX I could do this with \addtocounter{enumi}{2} - but how is this done in ConTeXt?

\starttext

\startitemize
\sym{1.} First item
\sym{2.} Second item
\sym{5.} Fifth item
\sym{6.} Sixth item
\sym{8.} Eight item
\stopitemize

\stoptext

Wolfgang

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Re: Skipping item numbers in an itemized list?

[Otared Kavian]

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Hi Alasdair,

Is this what you want?
\starttext

\startitemize[n]
\dorecurse{4}{\item text}
\stopitemize
\input knuth.tex

\startitemize[n,continue]
\dorecurse{4}{\item text}
\stopitemize

\startitemize[n][start=17]
\dorecurse{4}{\item text}
\stopitemize

\stoptext

I have this from an answer by Wolfgang S.

Best regards: OK

On 27 avr. 2011, at 15:53, Alasdair McAndrew wrote:

> Hello,
> 
> The effect I want is something like:
> 
> 1. First item
> 2. Second item
> 5. Fifth item
> 6. Sixth item
> 8. Eight item
> 
> and so on.  Every now and then I need to skip a number or two.  In LaTeX I could do this with \addtocounter{enumi}{2} - but how is this done in ConTeXt?
> 
> Thanks very much,
> Alasdair
> ___________________________________________________________________________________
> 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  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

%%%%%%%%%%%%%%%%%%
Otared Kavian
Département de Mathématiques
Université de Versailles Saint-Quentin
Bâtiment Fermat
45 avenue des Etats Unis
78035 Versailles cedex

Téléphone: +33 1 39 25 46 42
Secrétariat: +33 1 39 25 46 44 
Secrétariat: +33 1 39 25 46 46

e-mail: Otared.Kavian@math.uvsq.fr





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___________________________________________________________________________________

Re: Skipping item numbers in an itemized list?

[Ulrike Fischer]

Am Wed, 27 Apr 2011 16:19:45 +0200 schrieb Wolfgang Schuster:

> Am 27.04.2011 um 15:53 schrieb Alasdair McAndrew:
> 
>> Hello,
>> 
>> The effect I want is something like:
>> 
>> 1. First item
>> 2. Second item
>> 5. Fifth item
>> 6. Sixth item
>> 8. Eight item
 
>> and so on.  Every now and then I need to skip a number or two. 
>> In LaTeX I could do this with \addtocounter{enumi}{2} - but how
>> is this done in ConTeXt?
 
> \starttext
> 
> \startitemize
> \sym{1.} First item
> \sym{2.} Second item
> \sym{5.} Fifth item
> \sym{6.} Sixth item
> \sym{8.} Eight item
> \stopitemize
> 
> \stoptext

You can't be serious ;-). Do you really think one should enter all
numbers manually only because someone wants to skip e.g. the number
"13"? There must be a counter around and a way to advance it. 

From the code I think this should be used:

\starttext

\startitemize[n]
 \item here we list the points,
 \item one after the other.
 \doadvanceitem
 \item blub
 \stopitemize
\stoptext


-- 
Ulrike Fischer 

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Re: Skipping item numbers in an itemized list?

[Andreas Harder]

Am 27.04.2011 um 16:39 schrieb Ulrike Fischer:

> Am Wed, 27 Apr 2011 16:19:45 +0200 schrieb Wolfgang Schuster:
> 
>> Am 27.04.2011 um 15:53 schrieb Alasdair McAndrew:
>> 
>>> Hello,
>>> 
>>> The effect I want is something like:
>>> 
>>> 1. First item
>>> 2. Second item
>>> 5. Fifth item
>>> 6. Sixth item
>>> 8. Eight item
> 
>>> and so on.  Every now and then I need to skip a number or two. 
>>> In LaTeX I could do this with \addtocounter{enumi}{2} - but how
>>> is this done in ConTeXt?
> 
>> \starttext
>> 
>> \startitemize
>> \sym{1.} First item
>> \sym{2.} Second item
>> \sym{5.} Fifth item
>> \sym{6.} Sixth item
>> \sym{8.} Eight item
>> \stopitemize
>> 
>> \stoptext
> 
> You can't be serious ;-). Do you really think one should enter all
> numbers manually only because someone wants to skip e.g. the number
> "13"? There must be a counter around and a way to advance it. 
> 
> From the code I think this should be used:
> 
> \starttext
> 
> \startitemize[n]
> \item here we list the points,
> \item one after the other.
> \doadvanceitem
> \item blub
> \stopitemize
> \stoptext

What about the following?

\starttext
\startitemize[n]
\item one
\noitem
\item three
\stopitemize
\stoptext

Andreas
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Re: Skipping item numbers in an itemized list?

[Aditya Mahajan]

On Wed, 27 Apr 2011, Ulrike Fischer wrote:

> Am Wed, 27 Apr 2011 16:19:45 +0200 schrieb Wolfgang Schuster:
>
>> Am 27.04.2011 um 15:53 schrieb Alasdair McAndrew:
>>
>>> Hello,
>>>
>>> The effect I want is something like:
>>>
>>> 1. First item
>>> 2. Second item
>>> 5. Fifth item
>>> 6. Sixth item
>>> 8. Eight item
>
>>> and so on.  Every now and then I need to skip a number or two.
>>> In LaTeX I could do this with \addtocounter{enumi}{2} - but how
>>> is this done in ConTeXt?
>
>> \starttext
>>
>> \startitemize
>> \sym{1.} First item
>> \sym{2.} Second item
>> \sym{5.} Fifth item
>> \sym{6.} Sixth item
>> \sym{8.} Eight item
>> \stopitemize
>>
>> \stoptext
>
> You can't be serious ;-). Do you really think one should enter all
> numbers manually only because someone wants to skip e.g. the number
> "13"?

You can't be serious ;) Do you really think that one should manually 
increment a counter. What's next: using {\bfa Some title} for section 
titles?

More seriously, if there is a logic behind such a counter, then you can 
use:

\defineconversion[fancy][1,2,5,6,8]
% or a TeX or Lua command that generates the count

\startitemize[fancy] ....

>  There must be a counter around and a way to advance it.

If you insist,

\setstructurecounter[\currentitemgroupcounter]{5}

There is no interface to increment the counter by arbitrary amount, but 
you can define your own interface to structures.counters.add:

\unprotected
\def\addtostructurecounter  [#1]#2{\ctxlua{structures.counters.add 
("\@@thestructurecounter{#1}",1,#2)}}

and then use

   \addtostructurecounter[\currentitemgroupcounter]{2}

Aditya
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Re: Skipping item numbers in an itemized list?

[Ulrike Fischer]

Am Wed, 27 Apr 2011 11:21:31 -0400 (EDT) schrieb Aditya Mahajan:


>>>> and so on.  Every now and then I need to skip a number or two.
>>>> In LaTeX I could do this with \addtocounter{enumi}{2} - but how
>>>> is this done in ConTeXt?

>>> \starttext
>>>
>>> \startitemize
>>> \sym{1.} First item
>>> \sym{2.} Second item
>>> \sym{5.} Fifth item
>>> \sym{6.} Sixth item
>>> \sym{8.} Eight item
>>> \stopitemize
>>>
>>> \stoptext

>> You can't be serious ;-). Do you really think one should enter all
>> numbers manually only because someone wants to skip e.g. the number
>> "13"?
> 
> You can't be serious ;) Do you really think that one should manually 
> increment a counter. What's next: using {\bfa Some title} for section 
> titles?
> 
> More seriously, if there is a logic behind such a counter, 

Well I have long stopped to wonder why people sometimes needs
"holes" in a numbered list. It sometimes happens. Perhaps the OP
want to make a list of name of occupants of houses where some
numbers haven't yet been assigned.

> then you can use:

> \defineconversion[fancy][1,2,5,6,8]

This is ok if the complete list is not too long and when you know
which numbers the "holes" should have, but I would suspect that
Alasdair want to be able to increment somewhere the actual counter
by 1 or 2 without having to check the actual number first.
 

 
> There is no interface to increment the counter by arbitrary amount, but 
> you can define your own interface to structures.counters.add:
> 
> \unprotected
> \def\addtostructurecounter  [#1]#2{\ctxlua{structures.counters.add 
> ("\@@thestructurecounter{#1}",1,#2)}}
> 
> and then use
> 
>    \addtostructurecounter[\currentitemgroupcounter]{2}


I would say that's what Alasdair wants.


-- 
Ulrike Fischer 

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Re: Skipping item numbers in an itemized list?

[Alasdair McAndrew]

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Thanks all, for your answers and discussion to my query.  For the record,
I'm writing up answers to a long list of questions, some of which don't need
a written answer (just asking the reader to observe something).  A quick
check has verified than \noitem does exactly what I want.

Thanks again,
Alasdair

On Thu, Apr 28, 2011 at 3:33 AM, Ulrike Fischer <news3@nililand.de> wrote:

> Am Wed, 27 Apr 2011 11:21:31 -0400 (EDT) schrieb Aditya Mahajan:
>
>
> >>>> and so on.  Every now and then I need to skip a number or two.
> >>>> In LaTeX I could do this with \addtocounter{enumi}{2} - but how
> >>>> is this done in ConTeXt?
>
> >>> \starttext
> >>>
> >>> \startitemize
> >>> \sym{1.} First item
> >>> \sym{2.} Second item
> >>> \sym{5.} Fifth item
> >>> \sym{6.} Sixth item
> >>> \sym{8.} Eight item
> >>> \stopitemize
> >>>
> >>> \stoptext
>
> >> You can't be serious ;-). Do you really think one should enter all
> >> numbers manually only because someone wants to skip e.g. the number
> >> "13"?
> >
> > You can't be serious ;) Do you really think that one should manually
> > increment a counter. What's next: using {\bfa Some title} for section
> > titles?'
> >
> > More seriously, if there is a logic behind such a counter,
>
> Well I have long stopped to wonder why people sometimes needs
> "holes" in a numbered list. It sometimes happens. Perhaps the OP
> want to make a list of name of occupants of houses where some
> numbers haven't yet been assigned.
>
> > then you can use:
>
> > \defineconversion[fancy][1,2,5,6,8]
>
> This is ok if the complete list is not too long and when you know
> which numbers the "holes" should have, but I would suspect that
> Alasdair want to be able to increment somewhere the actual counter
> by 1 or 2 without having to check the actual number first.
>
>
>
> > There is no interface to increment the counter by arbitrary amount, but
> > you can define your own interface to structures.counters.add:
> >
> > \unprotected
> > \def\addtostructurecounter  [#1]#2{\ctxlua{structures.counters.add
> > ("\@@thestructurecounter{#1}",1,#2)}}
> >
> > and then use
> >
> >    \addtostructurecounter[\currentitemgroupcounter]{2}
>
>
> I would say that's what Alasdair wants.
>
>
> --
> Ulrike Fischer
>
>
> ___________________________________________________________________________________
> 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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>
> ___________________________________________________________________________________
>

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