setupnarrower and startnarrower

setupnarrower and startnarrower

[Alan BRASLAU]

Hello,

Could (should) startnarrower be modified to accept setup assignments?
As in:

\startnarrower [before=\blank,after=\blank]

or

\startnarrower [left=3cm] [left]

etc.

Alan

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Re: setupnarrower and startnarrower

[Wolfgang Schuster]

Am 06.08.2013 um 15:11 schrieb Alan BRASLAU <alan.braslau@cea.fr>:

> Hello,
> 
> Could (should) startnarrower be modified to accept setup assignments?
> As in:
> 
> \startnarrower [before=\blank,after=\blank]
> 
> or
> 
> \startnarrower [left=3cm] [left]
> 
> etc.


\usemodule[annotation]

\defineannotation[NARROW][alternative=narrow]

\starttext

\input ward

\startNARROW[leftmargin=3cm]
\input ward
\stopNARROW

\input ward

\startNARROW[rightmargin=2cm]
\input ward
\stopNARROW

\input ward

\stoptext

Wolfgang
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Re: setupnarrower and startnarrower

[Alan BRASLAU]

Thank you Wolfgang, but I was wondering about the standard \startnarrower.

Many (some) commands allow setup assignments, the use of which overides but does not change the default. This is a very useful feature of ConTeXt that suggest could be generalized. \startnarrower is but one example.

Alan 


On Tue, 6 Aug 2013 15:27:16 +0200
Wolfgang Schuster <schuster.wolfgang@gmail.com> wrote:

> 
> Am 06.08.2013 um 15:11 schrieb Alan BRASLAU <alan.braslau@cea.fr>:
> 
> > Hello,
> > 
> > Could (should) startnarrower be modified to accept setup assignments?
> > As in:
> > 
> > \startnarrower [before=\blank,after=\blank]
> > 
> > or
> > 
> > \startnarrower [left=3cm] [left]
> > 
> > etc.
> 
> 
> \usemodule[annotation]
> 
> \defineannotation[NARROW][alternative=narrow]
> 
> \starttext
> 
> \input ward
> 
> \startNARROW[leftmargin=3cm]
> \input ward
> \stopNARROW
> 
> \input ward
> 
> \startNARROW[rightmargin=2cm]
> \input ward
> \stopNARROW
> 
> \input ward
> 
> \stoptext

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Re: setupnarrower and startnarrower

[Wolfgang Schuster]

Am 06.08.2013 um 16:09 schrieb Alan BRASLAU <alan.braslau@cea.fr>:

> Thank you Wolfgang, but I was wondering about the standard \startnarrower.
> 
> Many (some) commands allow setup assignments, the use of which overides but does not change the default. This is a very useful feature of ConTeXt that suggest could be generalized. \startnarrower is but one example.

Changing the command is simple but I would drop the second
argument when you want to change the left/right etc. values
because you can say “left=4cm” etc. to get the desired margins.

Wolfgang
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Re: setupnarrower and startnarrower

[Aditya Mahajan]

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On Tue, 6 Aug 2013, Wolfgang Schuster wrote:

>
> Am 06.08.2013 um 16:09 schrieb Alan BRASLAU <alan.braslau@cea.fr>:
>
>> Thank you Wolfgang, but I was wondering about the standard \startnarrower.
>>
>> Many (some) commands allow setup assignments, the use of which overides but does not change the default. This is a very useful feature of ConTeXt that suggest could be generalized. \startnarrower is but one example.
>
> Changing the command is simple but I would drop the second
> argument when you want to change the left/right etc. values
> because you can say “left=4cm” etc. to get the desired margins.

startnarrower has a weird interface. Ideally, it should just support 
keywords:

\startnarrower
     [
       leftmargin=...,
       rightmargin=...,
       alternative=(left|right|both),
       spacebefore=....,
       spaceafter=....,
       indenting=....,
       indentnext=....,
       before=....,
       after=....,
     ]

Aditya

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Re: setupnarrower and startnarrower

[Wolfgang Schuster]

Am 06.08.2013 um 17:53 schrieb Aditya Mahajan <adityam@umich.edu>:

> On Tue, 6 Aug 2013, Wolfgang Schuster wrote:
> 
>> 
>> Am 06.08.2013 um 16:09 schrieb Alan BRASLAU <alan.braslau@cea.fr>:
>> 
>>> Thank you Wolfgang, but I was wondering about the standard \startnarrower.
>>> 
>>> Many (some) commands allow setup assignments, the use of which overides but does not change the default. This is a very useful feature of ConTeXt that suggest could be generalized. \startnarrower is but one example.
>> 
>> Changing the command is simple but I would drop the second
>> argument when you want to change the left/right etc. values
>> because you can say “left=4cm” etc. to get the desired margins.
> 
> startnarrower has a weird interface. Ideally, it should just support keywords:
> 
> \startnarrower
>    [
>      leftmargin=...,
>      rightmargin=...,
>      alternative=(left|right|both),
>      spacebefore=....,
>      spaceafter=....,
>      indenting=....,
>      indentnext=....,
>      before=....,
>      after=....,
>    ]

That’s more or less what I use for the “narrow” alternative in the annotation module.

I would prefer such a parameter driven narrower environment myself (do we even need
the left, middle and right option when we can set absolute margins) but keeping the current
interface for backwards compatibility make things a little bit ugly.

Wolfgang
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Re: setupnarrower and startnarrower

[Aditya Mahajan]

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On Tue, 6 Aug 2013, Wolfgang Schuster wrote:

>
> Am 06.08.2013 um 17:53 schrieb Aditya Mahajan <adityam@umich.edu>:
>
>> On Tue, 6 Aug 2013, Wolfgang Schuster wrote:
>>
>>>
>>> Am 06.08.2013 um 16:09 schrieb Alan BRASLAU <alan.braslau@cea.fr>:
>>>
>>>> Thank you Wolfgang, but I was wondering about the standard \startnarrower.
>>>>
>>>> Many (some) commands allow setup assignments, the use of which overides but does not change the default. This is a very useful feature of ConTeXt that suggest could be generalized. \startnarrower is but one example.
>>>
>>> Changing the command is simple but I would drop the second
>>> argument when you want to change the left/right etc. values
>>> because you can say “left=4cm” etc. to get the desired margins.
>>
>> startnarrower has a weird interface. Ideally, it should just support keywords:
>>
>> \startnarrower
>>    [
>>      leftmargin=...,
>>      rightmargin=...,
>>      alternative=(left|right|both),
>>      spacebefore=....,
>>      spaceafter=....,
>>      indenting=....,
>>      indentnext=....,
>>      before=....,
>>      after=....,
>>    ]
>
> That’s more or less what I use for the “narrow” alternative in the annotation module.
>
> I would prefer such a parameter driven narrower environment myself (do we even need
> the left, middle and right option when we can set absolute margins) but keeping the current
> interface for backwards compatibility make things a little bit ugly.

Haven't we broken backward compatibility for other environments as well? 
\startlinenumbering immediately comes to mind where the MkII interface was

    \startlinenumbering[continue]

and the current interface is

    \startlinenumbering[continue=yes]

I, for one, think that it is OK to break backward compatibility for more 
elegance and consistency.

Aditya

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___________________________________________________________________________________

Re: setupnarrower and startnarrower

[Hans Hagen]

On 8/6/2013 6:14 PM, Aditya Mahajan wrote:
> On Tue, 6 Aug 2013, Wolfgang Schuster wrote:
>
>>
>> Am 06.08.2013 um 17:53 schrieb Aditya Mahajan <adityam@umich.edu>:
>>
>>> On Tue, 6 Aug 2013, Wolfgang Schuster wrote:
>>>
>>>>
>>>> Am 06.08.2013 um 16:09 schrieb Alan BRASLAU <alan.braslau@cea.fr>:
>>>>
>>>>> Thank you Wolfgang, but I was wondering about the standard
>>>>> \startnarrower.
>>>>>
>>>>> Many (some) commands allow setup assignments, the use of which
>>>>> overides but does not change the default. This is a very useful
>>>>> feature of ConTeXt that suggest could be generalized.
>>>>> \startnarrower is but one example.
>>>>
>>>> Changing the command is simple but I would drop the second
>>>> argument when you want to change the left/right etc. values
>>>> because you can say “left=4cm” etc. to get the desired margins.
>>>
>>> startnarrower has a weird interface. Ideally, it should just support
>>> keywords:
>>>
>>> \startnarrower
>>>    [
>>>      leftmargin=...,
>>>      rightmargin=...,
>>>      alternative=(left|right|both),
>>>      spacebefore=....,
>>>      spaceafter=....,
>>>      indenting=....,
>>>      indentnext=....,
>>>      before=....,
>>>      after=....,
>>>    ]
>>
>> That’s more or less what I use for the “narrow” alternative in the
>> annotation module.
>>
>> I would prefer such a parameter driven narrower environment myself (do
>> we even need
>> the left, middle and right option when we can set absolute margins)
>> but keeping the current
>> interface for backwards compatibility make things a little bit ugly.
>
> Haven't we broken backward compatibility for other environments as well?
> \startlinenumbering immediately comes to mind where the MkII interface was
>
>     \startlinenumbering[continue]
>
> and the current interface is
>
>     \startlinenumbering[continue=yes]
>
> I, for one, think that it is OK to break backward compatibility for more
> elegance and consistency.

\startnarrower with its interface is one of the oldest commands which 
also means that it's used in our styles

however, we already have \startnarrow and i extended that one to accept 
a few more combinations:

\showframe

\definenarrower[whatever][left=3cm,right=2cm,default=left]

\starttext

\input ward

\startnarrower[2*left] \input ward \stopnarrower

\input ward

\startnarrow[whatever] \input ward \stopnarrow

\input ward

\startnarrow[whatever][right] \input ward \stopnarrow

\input ward

\startnarrow[whatever][default=middle] \input ward \stopnarrow

\input ward

\startnarrow[whatever][default=middle,middle=-1cm] \input ward \stopnarrow

\input ward

\startnarrow[default=middle] \input ward \stopnarrow

\input ward

\stoptext

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