Re: Indexes

[Hans Hagen <pragma@wxs.nl>]

At 09:35 PM 5/21/2002 +0200, Simon Pepping wrote:
>Hi,
>
>I have a few questions regarding indexes.
>
>1. \completeindex generates a numbered chapter. Is there a way to make
>    this unnumbered?

numbered sections become unnumbered when used in:

\startbackmatter

\stopbackmatter

(als also in \startfrontmatter .. \stopfrontmatter; you can guess what 
happens in \startappendices \stopappendices; this is why sectionblocks are 
there)

>2. Is there a way to suppress the index when there are no index terms,
>    in other words, can I let Context detect whether there are index
>    terms? I tried \doifmode{*index}{\completeindex}, but that does not
>    seem to do what I want.

you're nearly there:

first do a trial run:

   \determineregistercharacteristics[index][optional settings]

next test for a system mode:

   \doifmode{*register}

>3. In the recent beta, which I downloaded on 11 May, \completeindex
>    generates an erroneous ToC entry, viz. titleindex. I traced this
>    back to an \xdef that does not do what it probably was meant to do:

hm, here the toc entry has: \headtext {\v!title}

so, you probably have turned toc-expansion on,

in lang-lab, you can change the def :

\unexpanded\def\headtext
   {\let\handletextprefix\firstoftwoarguments
    \dogetupsometextprefix\headlanguage\c!titel}

(so, add \unexpanded; i'll add it too, since it does not harm compatibility)

Hans
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