Doubled annotation content

Doubled annotation content

[Marco Patzer]

In the following example the content of the annotation is printed
twice. Bug?

\usemodule [annotation]

\defineannotation
  [myannotation]
  [alternative=command,
   command=\cmd]

\def\cmd
  {\placeannotationcontent}

\starttext
  \startmyannotation
    foo
  \stopmyannotation
\stoptext


Marco

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Re: Doubled annotation content

[Otared Kavian]

Hi Marco,

It seems that your command \cmd places again the content… Why do you want that command?
This works fine:

\usemodule [annotation]
\defineannotation
 [myannotation]

\starttext
 \startmyannotation
   foo
   
   \input knuth.tex
 \stopmyannotation
\stoptext

Best regards: OK

On 6 déc. 2012, at 21:24, Marco Patzer <homerow@lavabit.com> wrote:

> In the following example the content of the annotation is printed
> twice. Bug?
> 
> \usemodule [annotation]
> 
> \defineannotation
>  [myannotation]
>  [alternative=command,
>   command=\cmd]
> 
> \def\cmd
>  {\placeannotationcontent}
> 
> \starttext
>  \startmyannotation
>    foo
>  \stopmyannotation
> \stoptext
> 
> 
> Marco
> 
> ___________________________________________________________________________________
> 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: Doubled annotation content

[Marco Patzer]

On 2012–12–06 Otared Kavian wrote:

> It seems that your command \cmd places again the content…

That's not the case. Check this example:

\usemodule [annotation]

\defineannotation
  [first]
  [alternative=command,
   command=\cmdFirst]

\defineannotation
  [second]
  [alternative=command,
   command=\cmdSecond]

\def\cmdFirst{}
\def\cmdSecond
  {\placeannotationcontent}

\starttext
\startfirst
  first      %% not printed
\stopfirst

\startsecond
  second     %% printed twice
\stopsecond
\stoptext


> Why do you want that command?

???
It allows for flexible placement of the content.

> This works fine:
> 
> \usemodule [annotation]
> \defineannotation
>  [myannotation]
> 
> \starttext
>  \startmyannotation
>    foo
>    
>    \input knuth.tex
>  \stopmyannotation
> \stoptext

Try to use a custom command.


Marco

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Re: Doubled annotation content

[Aditya Mahajan]

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On Thu, 6 Dec 2012, Marco Patzer wrote:

> On 2012–12–06 Otared Kavian wrote:
>
>> It seems that your command \cmd places again the content…
>
> That's not the case. Check this example:
>
> \usemodule [annotation]
>
> \defineannotation
>  [first]
>  [alternative=command,
>   command=\cmdFirst]
>
> \defineannotation
>  [second]
>  [alternative=command,
>   command=\cmdSecond]
>
> \def\cmdFirst{}
> \def\cmdSecond
>  {\placeannotationcontent}

Untested: Does

\unexpanded\def\cmdSecond ... help?

> \starttext
> \startfirst
>  first      %% not printed
> \stopfirst
>
> \startsecond
>  second     %% printed twice
> \stopsecond
> \stoptext

Aditya

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___________________________________________________________________________________

Re: Doubled annotation content

[Wolfgang Schuster]

Am 06.12.2012 um 21:24 schrieb Marco Patzer <homerow@lavabit.com>:

> In the following example the content of the annotation is printed
> twice. Bug?
> 
> \usemodule [annotation]
> 
> \defineannotation
>  [myannotation]
>  [alternative=command,
>   command=\cmd]
> 
> \def\cmd
>  {\placeannotationcontent}

The argument for the command keys has to be a macro with two parameters,
the first parameters contains the formatted header and the second argument
the formatted content of the environment.

You have to change your definition of \cmd to

  \define[2]\cmd{#2}

or

  \define[2]\cmd{\placeannotationcontent}

Wolfgang
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___________________________________________________________________________________

Re: Doubled annotation content

[Wolfgang Schuster]

Am 06.12.2012 um 23:00 schrieb Marco Patzer <homerow@lavabit.com>:

>> Why do you want that command?
> 
> ???
> It allows for flexible placement of the content.

You can also use \defineannotationalternative to create your own styles, see

  - http://www.ntg.nl/pipermail/ntg-context/2012/070019.html and
  - http://www.ntg.nl/pipermail/ntg-context/2012/070327.html

Wolfgang
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Re: Doubled annotation content

[Marco Patzer]

On 2012–12–07 Wolfgang Schuster wrote:

> The argument for the command keys has to be a macro with two parameters,
> the first parameters contains the formatted header and the second argument
> the formatted content of the environment.

That's how I used it in the past, but after an update I got an error
which vanished after I removed the two arguments. I thought the
interface might have changed.

I used it as follows. What's wrong with that?

%% macros=mkvi
\usemodule [annotation]

\defineannotation
  [myannotation]
  [alternative=command,
   command=\cmd]

\starttexdefinition cmd #first #second
  \placeannotationcontent
\stoptexdefinition

\starttext
\startmyannotation
  foo
\stopmyannotation
\stoptext


Thanks for the annotationalternative tip, I didn't know that one.


Marco

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Re: Doubled annotation content

[Wolfgang Schuster]

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Am 07.12.2012 um 10:26 schrieb Marco Patzer <homerow@lavabit.com>:

> On 2012–12–07 Wolfgang Schuster wrote:
> 
>> The argument for the command keys has to be a macro with two parameters,
>> the first parameters contains the formatted header and the second argument
>> the formatted content of the environment.
> 
> That's how I used it in the past, but after an update I got an error
> which vanished after I removed the two arguments. I thought the
> interface might have changed.
> 
> I used it as follows. What's wrong with that?
> 
> %% macros=mkvi
> \usemodule [annotation]
> 
> \defineannotation
>  [myannotation]
>  [alternative=command,
>   command=\cmd]
> 
> \starttexdefinition cmd #first #second
>  \placeannotationcontent
> \stoptexdefinition


Commands need to be unexpandable because when you use the “command”.

This is necessary because I check for a command and this needs \unexpanded\def to work.

You can create a unexpandable command with \starttexdefintion by adding
the unexpanded keyword as first argument to the environment.

\starttexdefinition unexpanded cmd #first #second
 \placeannotationcontent
\stoptexdefinition

Wolfgang

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___________________________________________________________________________________

Re: Doubled annotation content

[Marco Patzer]

On 2012–12–07 Wolfgang Schuster wrote:

> Commands need to be unexpandable because when you use the “command”.
> 
> This is necessary because I check for a command and this needs \unexpanded\def to work.
> 
> You can create a unexpandable command with \starttexdefintion by adding
> the unexpanded keyword as first argument to the environment.
> 
> \starttexdefinition unexpanded cmd #first #second
>  \placeannotationcontent
> \stoptexdefinition

That does the trick. Thanks Wolfgang!


Marco

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