[NTG-context] Section numbering starting from zero, not one

[Hans Hagen]

On 2/16/2023 8:07 PM, Alex Leray via ntg-context wrote:
> Answering my own question… this fits my needs:
> 
> ###
> 
> \defineconversion[romannumeralszero][0, I, II, III, IV, V, VI, VII, 
> VIII, IX, X, XI, XII, XIII, XIV, XV, XVI, XVII, XIII, XIX, XX, XXI]
> 
> \setuphead[section][conversion=romannumeralszero]
> 
> \starttext
> \startsection[title={Section zero}]foo\stopsection
> 
> \startsection[title={Section 1}]bar\stopsection
> \stoptext
> 
> ###
> 
> Sorry for the noise

you can often find hints in the test suite (many small files)

> Le 16/02/23 à 17:32, Alex Leray via ntg-context a écrit :
>> Hello,
>>
>> I'd like to have roman numerals prefixed sections, but starting from 
>> Zero and not One (even if I know that roman numerals don't have a sign 
>> for 0).
>>
>> Is there a way to achieve this? My code looks like that at the moment:
>>
>> ###
>>
>> \setuphead[section][conversion=Romannumerals]
>>
>> \starttext
>> \setupheadnumber[section] [-1]
>> \startsection[title={Section zero}]\stopsection
>> \startsection[title={Section one}]\stopsection
>> \stoptext
>>
>> ###
>>
>> Thank you,
>>
>> Alex
>> ___________________________________________________________________________________
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>>
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> 

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