Re: Protrusion cancellation by index term

["Jan Tosovsky" <j.tosovsky@email.cz>]

On 2016-03-31 Hans Hagen wrote:
> On 3/30/2016 9:53 PM, Jan Tosovsky wrote:
> > On 2016-03-22 Hans Hagen wrote:
> >> On 3/21/2016 10:59 PM, Jan Tosovsky wrote:
> >>> On 2014-02-23 Hans Hagen wrote:
> >>>> On 2/22/2014 2:38 PM, Jan Tosovsky wrote:
> >>>>> On 2014-02-22 Jan Tosovsky wrote:
> >>>>>>
> >>>>>> when a punctuated phrase appears at the beginning of the 
> >>>>>> line, it is not protruded correctly when preceded by an 
> >>>>>> index term.
> >>>>>>
> >>>>>> ... \index{foo}>Bar< ...
> >>>>>>
> >>>>>> A minimal example is available at
> >>>>>> http://drifted.in/other/sample.tex
> >>>>>
> >>>>> I'd be grateful for ignoring any non document content 
> >>>>> preceding punctuation to avoid its influence on protrusion.
> >>
> >> it's not that trivial
> >>
> >> for the index we can cheat a bit but then i also need to 
> >> check lots of other cases for possible interference
> 
> you can try to do this:
> 
> \leftboundary\hbox{\index{foo}}....
 
Wow, I am quite satisfied with this solution.

Btw, I couldn't find any details for that \leftboundary command either in TeX [1] or ConTeXt [2] command references.

I've tried it just with \hbox{} and it works as well.

Couldn't this be generalized in a way - if you want protrusion even in edge cases, any inline commands have to be wrapped in \hbox{} ?

Jan

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[1] https://www.tug.org/utilities/plain/cseq.html
[2] http://www.pragma-ade.com/general/qrcs/setup-en.pdf

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