Re: index "compress" option / collapsing of page numbers

[Hans Hagen <j.hagen@xs4all.nl>]

On 4/3/2019 10:56 AM, Henning Hraban Ramm wrote:
> Am 2019-04-02 um 18:53 schrieb Hans Hagen <j.hagen@xs4all.nl>:
> 
>> On 4/2/2019 11:54 AM, Henning Hraban Ramm wrote:
>>> Ahoi,
>>> with \setupregister[compress=yes], index entries 1,2,3,4 become 1–4. That’s great.
>>> But (at least in German publications) it’s usual that 1,2 becomes 1f. and 1,2,3 becomes 1ff.
>>> Is it possible to configure it that way?
>> it should not be too hard to program but, it being german problem:
>>
>> - you have to come up with an example
>> - wolfgang has to come up with a proper keyword (compress=?)
>>
> 
> Thank you – it’s not only a German habit, even if we pronounce it “folgende”, “f.” stems from Latin “folio”, and “ff.” is a duplicated abbreviation, as was usual in mediaeval Latin.
> So, this is at least used in English, German, Norwegian and Swedish, as far as I could find. In French they seem to use “sq.” and “sqq.” (sequens).
> 
> https://de.wiktionary.org/wiki/ff.
> https://en.wiktionary.org/wiki/ff.
> https://fr.wiktionary.org/wiki/sq.
> 
> I suggest the following setup options:
> 
> compress = no  —> don’t collapse (as now)
> compress = yes —> always use – (as now)
> 
> compresssymbols={\,f.,\,ff.} (or how can you setup a list?)
> compress = symbols —> use first symbol for one other page, second for more pages
> 	if there’s only one symbol, more than one sequential page should use – (like “yes”)
> 
> Is this feasible?

i'll add

\setuplabeltext % predefined
   [en]
   [following:singular=f.,
    following:plural=ff.]

\setupregister[index][compress=text]

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
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://context.aanhet.net
archive  : https://bitbucket.org/phg/context-mirror/commits/
wiki     : http://contextgarden.net
___________________________________________________________________________________