Increment an item number?

Increment an item number?

[Alasdair McAndrew]

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What is the ConTeXt version of the LaTeX

\addtocounter{enumi}{1} ?

I want to increment my numbering in an itemize environment, so that the
list is typeset as

1.  First item
2.  Next item
3.  Another item
5.  Yet another
6.  And so on

I'm typing out solutions to questions in some student notes, and the
missing item is a question for which a written solution is not necessary.

Thanks,
Alasdair

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Re: Increment an item number?

[Otared Kavian]

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Hi Alasdair,

Maybe the following gives you what you want?

\starttext
\startitemize[n]
\item First question
\phantom{\item }
\item Third question
\phantom{\item }
\item Fifth question
\item Sixth question
\stopitemize
\stoptext

Best regards: OK

On 14 févr. 2012, at 06:27, Alasdair McAndrew wrote:

> What is the ConTeXt version of the LaTeX
> 
> \addtocounter{enumi}{1} ?
> 
> I want to increment my numbering in an itemize environment, so that the list is typeset as
> 
> 1.  First item
> 2.  Next item
> 3.  Another item
> 5.  Yet another
> 6.  And so on
> 
> I'm typing out solutions to questions in some student notes, and the missing item is a question for which a written solution is not necessary.
> 
> Thanks,
> Alasdair
> 
> -- 
> Blog: http://amca01.wordpress.com
> Web:  http://sites.google.com/site/amca01/
> Facebook: http://www.facebook.com/alasdair.mcandrew
> ___________________________________________________________________________________
> 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
> ___________________________________________________________________________________


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___________________________________________________________________________________

Re: Increment an item number?

[Hans Hagen]

On 14-2-2012 13:39, Otared Kavian wrote:
> \starttext
> \startitemize[n]
> \item First question
> \phantom{\item }
> \item Third question
> \phantom{\item }
> \item Fifth question
> \item Sixth question
> \stopitemize
> \stoptext

or something

\starttext
\startitemize[n]
\item First question
\incrementnumber[itemgroup:itemize]
\item Third question
\incrementnumber[itemgroup:itemize]
\item Fifth question
\item Sixth question
\stopitemize
\stoptext


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___________________________________________________________________________________

Re: Increment an item number?

[Thomas A. Schmitz]

On 2/14/12 1:48 PM, Hans Hagen wrote:
>> \starttext
>> \startitemize[n]
>> \item First question
>> \phantom{\item }
>> \item Third question
>> \phantom{\item }
>> \item Fifth question
>> \item Sixth question
>> \stopitemize
>> \stoptext
>
> or something
>
> \starttext
> \startitemize[n]
> \item First question
> \incrementnumber[itemgroup:itemize]
> \item Third question
> \incrementnumber[itemgroup:itemize]
> \item Fifth question
> \item Sixth question
> \stopitemize
> \stoptext

Just a hint: however you do it, I think this is not the best approach. 
you write:

> I'm typing out solutions to questions in some student notes, and the
missing item is a question for which a written solution is not necessary.


If this is a recurrent task, i.e. if you regularly make up student 
problems and then typeset the solutions, this approach is inefficient 
because you're doing the book keeping yourself. If, for example, you 
decide to delete one of the questions without written solution, you will 
have to delete the \incrementnumber as well. It may be better if you let 
ConTeXt do the book keeping: give every question a unique identitfier 
like so

\startitem[p:1:2]
  Problem?
\stopitem

and then typeset the solutions by referring back to this identifier:

\sym{\in[p:1:2]}

That way, the numbers in problems and solutions will always be correct, 
even if you rearrange etc. (I often typeset such exercise stylesheets, 
and after many years, that's my approach today.)

Thomas
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Re: Increment an item number?

[Alasdair McAndrew]

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Thanks for the answers.  I did in fact know about \incrementnumber, but I
couldn't find any information about the counter.  Where would I find such
information, aside from asking on this mailgroup?

As for identifying each question and referring to it: that is an excellent
solution, but in fact I have only rarely to leave out an answer, and the
small amount of bookkeeping required is not at all onerous.

Thanks again,
Alasdair

On Wed, Feb 15, 2012 at 3:27 AM, Thomas A. Schmitz <
thomas.schmitz@uni-bonn.de> wrote:

> On 2/14/12 1:48 PM, Hans Hagen wrote:
>
>> \starttext
>>> \startitemize[n]
>>> \item First question
>>> \phantom{\item }
>>> \item Third question
>>> \phantom{\item }
>>> \item Fifth question
>>> \item Sixth question
>>> \stopitemize
>>> \stoptext
>>>
>>
>> or something
>>
>> \starttext
>> \startitemize[n]
>> \item First question
>> \incrementnumber[itemgroup:**itemize]
>> \item Third question
>> \incrementnumber[itemgroup:**itemize]
>> \item Fifth question
>> \item Sixth question
>> \stopitemize
>> \stoptext
>>
>
> Just a hint: however you do it, I think this is not the best approach. you
> write:
>
>  I'm typing out solutions to questions in some student notes, and the
>>
> missing item is a question for which a written solution is not necessary.
>
>
> If this is a recurrent task, i.e. if you regularly make up student
> problems and then typeset the solutions, this approach is inefficient
> because you're doing the book keeping yourself. If, for example, you decide
> to delete one of the questions without written solution, you will have to
> delete the \incrementnumber as well. It may be better if you let ConTeXt do
> the book keeping: give every question a unique identitfier like so
>
> \startitem[p:1:2]
>  Problem?
> \stopitem
>
> and then typeset the solutions by referring back to this identifier:
>
> \sym{\in[p:1:2]}
>
> That way, the numbers in problems and solutions will always be correct,
> even if you rearrange etc. (I often typeset such exercise stylesheets, and
> after many years, that's my approach today.)
>
> Thomas
>
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> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
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> wiki     : http://contextgarden.net
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>



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Web:  http://sites.google.com/site/amca01/
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