El s=C3=A1b., 1 de ago. = de 2020 a la(s) 14:01, Jairo A. del Rio (jairoadelrio6@gmail.com) escribi=C3=B3:

Hi, He= nning. According to the garden, something like:

\def\Ort#1{\index[#1= ]{\ctxlua{user.Lookup("#1")}}}

as long as #1 is capa= ble of being sorted in the normal way, should work.

Regards,<= br>
Jairo

El s=C3=A1b., 1 de ago. de 2020 a la(s) 13:49, Hennin= g Hraban Ramm (texml@fi= ee.net) escribi=C3=B3:

> Am 01.08.2020 um 13:22 schrieb Henning Hraban Ramm <texml@fiee.net>:
>
> Hi,
>
> besides the CG journal I=E2=80=99m working on a scientific biography w= ith huge person and locality indexes (named Person and Locality for the exa= mples).
>
> In many cases, the author wants additional information in the index, e= .g.
>
> \Locality{Altona (Hamburg)}
> \Locality{Breslau (pol. Wroc=C5=82aw)}
> or
> \Person{Arends, Katharina (n=C3=A9e Schoemaker)}
> \Person{Wilhelm II. (Kaiser)}
>
> Now, I need that consistent and I don=E2=80=99t want to type these com= plicated entries every time.
>
> I=E2=80=99m looking for a good way to handle this =E2=80=93 maybe a lo= okup table in Lua, so that
> \LookupPerson{Willy II}
> would call a Lua function that returns
> \Person{Wilhelm II. (Kaiser)}
> ?
>
> Or is there already something in place that I overlooked, like
> \OverwriteIndexEntry{Hraban}{Ramm, Henning Hraban}
> ?

I came up with:

\startluacode
user.Lookups =3D {
=C2=A0 ["Albano"] =3D "Albano (Provinz Rom)",
=C2=A0 ["Altona"] =3D "Altona (Hamburg)",
=C2=A0 ["Aurich"] =3D "Aurich (Ostfriesland)"
}

function user.Lookup(Name)
=C2=A0 local Res =3D user.Lookups[Name]
=C2=A0 if Res then
=C2=A0 =C2=A0 return context(Res)
=C2=A0 else
=C2=A0 =C2=A0 return context(Name)
=C2=A0 end
end
\stopluacode

\def\Ort#1{\index{\ctxlua{user.Lookup("#1")}}}

\starttext

\Ort{Albano}
\Ort{Altona}
\Ort{Aurich}
\strut\page

\placeindex

\stoptext

The lookup works so far, but all the entries get sorted unter C (because of= \ctxlua).

I remember I had the same problem with other macros (like \index{\emph{bla}= }), but can=E2=80=99t find a solution in my usual sources.

Hraban

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