Thanks for that, Wolfgang. I can only hope that, as the culprit is known, it
can be apprehended!
Idris: here is the document that I had sent (and many thanks to you and to
Pablo for the more general advice):
> \unexpanded\def\doVariant#1#2#3%
> {\startlinenote[#1]{#2] #3}#2\stoplinenote[#1]}
>
> \newcounter\countvariants
> \unexpanded\def\variant
> {\doglobal\increment\countvariants
> \normalexpanded{\doVariant{Varia:\countvariants}}}
>
> \setupalign[r2l]
>
> \showframe \starttext
>
> \section{Correct}
> Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque
> molestie dictum quam non congue. Integer ut dolor vel mi vestibulum molestie
> vel et nulla. Morbi id justo vitae quam rhoncus tincidunt ut adipiscing nisi.
>
> \section{Incorrect}
> \startlinenumbering
> Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque
> molestie dictum quam non congue. Integer ut dolor vel mi vestibulum molestie
> vel et nulla. Morbi id justo vitae quam rhoncus tincidunt ut adipiscing nisi.
> \stoplinenumbering
>
> \stoptext
All the best,
Talal
> On 1 Aug 2015, at 19:47, Wolfgang Schuster <schuster.wolfg...@gmail.com>
> wrote:
>
>> tala...@fastmail.fm <mailto:tala...@fastmail.fm> 1. August 2015 17:37
>> Sorry to pester, but this problem is barring me from moving my book project
>> into ConTeXt this weekend.
>>
>> The use of linenumbers seems to throw off the R2L mechanism. Example of the
>> problem attached.
>>
>
> The culprit is the function "boxed.stage_two" in page.lua which output each
> text line in the line numbering
> environment in left to right mode. When you have justified lines everything
> is fine but when you have a ragged
> line (e.g. the last line in a paragraph) ConTeXt aligns the context with the
> left margin.
>
> \starttext \showframe
>
> \startalignment[righttoleft,flushleft]
>
> \input ward
>
> \blank
>
> \startlinenumbering
> \input ward
> \stoplinenumbering
>
> \stopalignment
>
> \stoptext
>
> Wolfgang
> ___________________________________________________________________________________
> 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
> ___________________________________________________________________________________
___________________________________________________________________________________
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
___________________________________________________________________________________
