Am 26.06.2011 um 19:47 schrieb Hans Hagen:
> On 26-6-2011 2:54, Thomas A. Schmitz wrote:
>> Hi all,
>>
>> I'm in the final phase of editing a scholarly book with a pretty big index.
>> What follows is less a question than an observation: no matter where I place
>> the \index command, there can always be unwanted side effects:
>>
>> foo\index{bar}: here, the entry may point to the page following the name, if
>> the page break falls at this position. Moreover, when this is followed by
>> punctuation or footnotes, there may be a line break between the word and the
>> punctuation/footnote mark. Placing it at the end of a long footnote is
>> asking for even more trouble, because there's a real risk that a page break
>> may occur.
>>
>> \index{bar}foo: the book is typeset with character protrusion, and this
>> seems to introduce additional material which can disturb line endings, so
>> that lines before such an indexed word appear to be missing one character at
>> the end.
>>
>> So this is what I observe. Working around this is possible, but painful - I
>> have to check every page for such bad linebreaks or misplaced punctuation
>> marks. My question then is: will it be possible, at one point in luatex
>> development, to find a more robust solution for this? This would be
>> wonderful, I think!
>
> \index is connected to the next word or when on a line on it own as in
> \chapter{x} \index{x} <emptyline> text to the next paragraph
>
> concerning the character protrusion: that looks like a bug so if we can have
> a small example demonstrating it ... esp the disappearing character is weird
Sure, the minimal example that I posted already twice shows exactly this case:
The line before an indexed word appears to be missing one character at the end.
See "Case 2" in attached example, please.
Steffen
-------
\showframe
\setupbodyfont[times,10pt]\setupinterlinespace[line=12pt]
\definetolerancemethod
[horizontal]
[MySpace]
{\spaceskip3.02pt plus1.99998pt minus1.0pt\relax}
\setupalign[line,block,hanging]
\setuptolerance[MySpace]
\setupindenting[10pt,yes]
\definepapersize[stw][width=14.7cm,height=22.3cm]
\setuppapersize[stw][stw]
\setuplayout
[width=113mm,height=572pt,
backspace=17mm,topspace=17mm,
header=12pt,headerdistance=6pt,
footer=36pt,footerdistance=0pt,
location=middle,marking=off]
\starttext
{\em Case 1: line wrap before dot}
\noindent dieses ist dabei typisch für den Bereich der Architekten- oder
Ingenieurleistungen\index{Ingenieurleistungen}. Warum?
\blank
{\em Case 2: line wrap after visible space}
Bei den Grünen werden neben den beiden Fraktionsvorsitzenden, Renate
\index{Künast}Künast und Jürgen Trittin ...
\stoptext
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