Hello,
I have a little problem with the numbering of theorems when there is no
subsection. I would like to know :

Theorem 1.1
Theorem 1.2

Theorem 2.3
Theorem 2.4

Thank you
Fabrice

%%%% begin example

\setuplabeltext[chapter=Chapitre~]

\unexpanded\def\Title#1#2{\framed[frame=off,width=fit,align=flushleft]{#1\blank#2}}

\startbuffer[mybuffer]
  \starttheorem
    \input ward
  \stoptheorem
\stopbuffer

\setuphead
  [chapter]
  [style=\bfd,
   align={flushleft,broad},
   command=\Title]

\setuphead
  [section]
  [style=\bfc,
   distance=\zeropoint,
   sectionsegments=section,
   conversion={R},
   align={flushleft,broad},
   commandbefore={\space\endash\space}]

\setuphead
  [subsection]
   [sectionsegments=subsection,
    conversion={n},
    style=\bfb,
    align={flushleft,broad}]

\setupenumerations
  [before={\blank},
   after={\blank},
   alternative=serried,
   title=yes,
   prefix=yes,
   prefixsegments=chapter,
   titlestyle=bold,
   width=broad]

\defineenumeration
   [theorem]
   [text=Théorème,
    number=yes,
    style=italic]

\starttext
\startchapter
  [title={First chapter}]
  \startsection
    [title={First section}]
    \startsubsection
      [title={First subsection}]
      \dorecurse{2}{\getbuffer[mybuffer]}
    \stopsubsection
  \stopsection
\stopchapter
\startchapter
  [title={Second chapter}]
  \startsection
    [title={Second section}]
     \dorecurse{2}{\getbuffer[mybuffer]}
  \stopsection
  \stoptheorem
\stopchapter

\stoptext

%%%% end example