[NTG-context] check if inside footnote

[Hans Hagen]

On 8/4/2020 1:47 PM, Henning Hraban Ramm wrote:
> 
>> Am 04.08.2020 um 13:20 schrieb Hans Hagen <j.hagen at xs4all.nl>:
>>
>> On 8/4/2020 11:04 AM, Henning Hraban Ramm wrote:
>>> Hi, me again...
>>> Is there a check if a macro is called from inside of a footnote, like a system mode *footnote?
>>> (Same with captions?)
>>> In my current project, index entries should get italic page numbers if they occurr inside of a footnote (or a caption, but that is rare).
>>> I’m using different shortcuts for both cases (that call \index with or without processor), but some paragraphs are very confusing (many long footnotes, or footnotes within footnotes), and I could avoid manually analyzing the structure if my macro could determine on its own if it’s called from a footnote.
>>> Not-working example:
>>> \setupinteraction[state=start]
>>> \defineprocessor[kursiv][style=italicface]
>>> \define[1]\Idx{\doifmodeelse{*footnote}{\index{#1}}{\index[kursiv->]{kursiv->#1}}#1}
>>> \starttext
>>> Text
>>> ---
>>> \index[C]{A}{B}\footnote{Inside\index{FN}}\index{BF}
>>> ---
>>> \placeregister[index][criterium=all]
>>> \stoptext
>> bad MWE ... took me more time to se that \Idx was not used than this:
> 
> Ouch, sorry! That means I didn’t even check if that mode existed before; I also swapped the if/else brackets.
> 
> 
>> \appendtoks
>>     \setsystemmode\currentnote
>> \to \everysynchronizenote
>>
>> can you check if that works ok?
> 
> Yes, that works. Thank you very much!
> 
> i.e. MWE =
> 
> \setupinteraction[state=start]
> \defineprocessor[kursiv][style=italicface]
> 
> \define[1]\Idx{\doifmodeelse{*footnote}{\index[kursiv->]{kursiv->#1}}{\index{#1}}#1}
> 
> \appendtoks
>     \setsystemmode\currentnote
> \to \everysynchronizenote

Ok, so when no one sees a problem I'll add it.

> \starttext
> 
> Text
> 
> ---
> \index[C]{A}{B}\footnote{Inside\Idx{FN}}\Idx{BF}
> ---
> 
> \placeregister[index][criterium=all]
> 
> \stoptext
> 
> 
> 
> Hraban
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