Hallo Hans,

please have a look at my testfile:


% <--- snip
\setupcolors[state=start]
\setupinteraction[state=start]
\placebookmarks[chapter,section,subsection][chapter,section,subsection]
\setupinteractionscreen[option=bookmark]
%
\starttext
%
\placelist[chapter,section][criterium=all,interaction=text]
%
% this works !
%
\startchapter[title={Geburten 1606--1737},list={Geburten 1606--1737},bookmark={Geburten},reference={Geburten}]
%
% this does not work! no title in text, no title in list, no bookmark text,  no reference!!!
%
 \startsection[title    ={Getaŭfte A. dominj 1606},%
               list     ={Geburten 1606},%
               bookmark ={Geb-1606},%
               reference={Geb:1606}]
%
\input tufte
\stopsection
%
\page
% this works!
ref Geburten: \about[Geburten]
\vspacing[12pt]
% this does not work!
ref 1606: \about[Geb:1606]
\stopchapter
%
\stoptext
% <--- snip

This is LuaTeX, Version beta-0.43.0-2009081911
ConTeXt  ver: 2009.09.12 14:44 MKIV  fmt: 2009.9.13  int: english/english



Thanks

Bernd