index "compress" option / collapsing of page numbers

index "compress" option / collapsing of page numbers

[Henning Hraban Ramm]

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?


Greetlings, Hraban
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Re: index "compress" option / collapsing of page numbers

[Hans Hagen]

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=?)

Hans


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

[Henning Hraban Ramm]

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?

As far as I see, we need this only for index entries, i.e. \setupregister, since there’s no command like \at for more than one page anyway; or is there a need to collapse pages in bibliographies?


Test case:


\usemodule[visual]
\setuppapersize[A6]

\setupregister[index][
  compress=yes,
  %compresssymbols={\,f.,\,ff.},
  %compress=symbols,
]

\starttext
\placeindex\index{nonsense}
\page

\strut\index{something}\page
\strut\index{something}\page

\dorecurse{7}{
\fakewords{10}{100}\index{something}\par
\fakewords{20}{200}\index{other}\par
\fakewords{10}{100}\index{something}\par
}
\index{finis} % not flushed?

\stoptext



Greetlings, Hraban
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Re: index "compress" option / collapsing of page numbers

[Ulrike Fischer]

Am Wed, 3 Apr 2019 10:56:21 +0200 schrieb Henning Hraban Ramm:

>  or is there a need to collapse pages in bibliographies?

there can be such page ranges with ff both in the bibliography and
the citation. But normally you input them hard coded as you know it
in advance (in biblatex as 1\psq or 1\psqq). 
But biblatex has options to recreate them on-the-fly for backref
lists in the bib (and could use the code in more places if needed). 
 
-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/

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

[Thomas A. Schmitz]

> On 3. Apr 2019, at 10:56, Henning Hraban Ramm <texml@fiee.net> wrote:
> 
> 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).

I’m not sure the abbreviation for “folio” has anything to do with our German “folgende”; if you have a link for this, I would like to know. And for the record: “ff.” for page ranges is now discouraged in most scholarly publications; journals and publishers now say f. for x - x+1, or exact page numbers.

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

[Herbert Voss]

Am 03.04.19 um 11:41 schrieb Thomas A. Schmitz:
> 
> 
>> On 3. Apr 2019, at 10:56, Henning Hraban Ramm <texml@fiee.net> wrote:
>>
>> 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).
> 
> I’m not sure the abbreviation for “folio” has anything to do with our German “folgende”; if you have a link for this, I would like to know. And for the record: “ff.” for page ranges is now discouraged in most scholarly publications; journals and publishers now say f. for x - x+1, or exact page numbers.

it has nothing do do with "folgende", but it is often used because it 
means nearly the same.


folium = {
   de = {”f”, ”ff”},
   en = {”f”, ”ff”},
   fr = {”\,sq”,”\,sqq”},
   jp = {”シンボル”,”番号”},
}

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

[Hans Hagen]

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]

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                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
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Re: index "compress" option / collapsing of page numbers

[Henning Hraban Ramm]

Am 2019-04-03 um 13:30 schrieb 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]


Great! Thank you!
I’ll document it.

Greetlings, Hraban
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