[NTG-context] Re: How to track down source of [entry not flushed] displaying in indexes?

[Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>]

Joel via ntg-context schrieb am 13.03.2024 um 23:27:
> After many hours of trial-and-error, I was able to recreate the problem 
> in a minimum working example:
> 
> file main.tex only contains:
> 
> \starttext
> 
>      \index{birds}
>      \index{insects}
> 
>      \input secondary
> 
>      \placeindex
> 
> \stoptext
> 
> file secondary.tex only contains:
> 
> 
>     \index{turtles}
> 
> For reasons I can't understand, the index produces the same [entry not 
> flushed] error. It seems here happening when contents are input.

The message appears even without the external file.

> My code is so simple, I can't understand what I've typed wrong.

Indices need an anchor to be flushed. When you put \index entries 
between environments the next anchor appears at the start of a new 
paragraph (I used \dontleavehmode for this in the following example).

\starttext

\index{birds}
\index{insects}

\index{turtles}

\dontleavehmode % comment this line for [entry not flushed]

\placeindex

\stoptext

Wolfgang
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