# [NTG-context] automatic generation of em dash at the beginning of a line

Hans Hagen pragma at wxs.nl
Mon Mar 2 10:02:53 CET 2015

On 3/1/2015 8:34 PM, Piotr Kopszak wrote:
> Many Thanks Hans!
>
> But that's not exactly what I need, sorry for being imprecise, I do
> not need to repeat hyphens, but only  em dashes (or en dashes, which
> ever are used in the document) in situations like this.
>
> Most newspapers — and all that follow AP style — insert a space before
> and after the em dash.
>
> It should look like this:
>
> Most newspapers — and all that follow  AP style —
> — insert a space before and  after the em dash.

\starttext

\def\LEFT {\space\emdash\nbsp}
\def\RIGHT{\nbsp\discretionary{\emdash}{\emdash}{\emdash}\nbsp}

\setuplayout[width=21mm]
\setuplayout[width=24mm]

\setuptolerance[verytolerant]

\showframe

test test \LEFT a test and some more test\RIGHT\ test test

\stoptext

> All Best
>
> Piotr
>
> 2015-03-01 17:58 GMT+01:00 Hans Hagen <pragma at wxs.nl>:
>> On 3/1/2015 5:41 PM, Piotr Kopszak wrote:
>>>
>>> Hello list,
>>>
>>> This is probably a Polish idiosyncrasy, but we have to live with it.
>>> According to punctuation rules when an em dash is at the end of a
>>> line, it should be repeated at the beginning of the next one (true, it
>>> is often disregarded due to lack of support for it in typesetting
>>> programs). Is there any way to deal with it in ConTeX?
>>
>>
>> \starttext
>>
>>      \setuplanguage[pl][lefthyphenchar=45,righthyphenchar=45]
>>
>>      \pl \input tufte
>>
>> \stoptext
>>
>>
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>

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