Hi,

Various documents mention a namespace feature for references by setting
prefix=+. This is a really cool feature but I cannot get it to work. Why
does the following example not work:

\setupinteraction[state=start]
\setuphead[chapter][prefix=+]

\starttext

\startchapter[reference=chap1,title={First Chapter}]
  \startsection[reference=sec1,title={First Section in First Chapter}]
    Reference \type{sec1} is \about[sec1].\par
    Reference \type{chap2:sec1} is \about[chap2:sec1].\par
  \stopsection
\stopchapter

\startchapter[reference=chap2,title={Second Chapter}]
  \startsection[reference=sec1,title={First Section in Second Chapter}]
    Reference \type{sec1} is \about[sec1].\par
    Reference \type{chap1:sec1} is \about[chap1:sec1].\par
  \stopsection
\stopchapter

\stoptext

Any help is appreciated.

Christoph Reller