[NTG-context] \startindentation ... \stopindentation

From the documenation on pape 242 (13.4):

A series of indenting commands can be enclosed with the commands: \startindentation \stopindentation -------------------------------- It seems, that context didn't know these commands: \defineindenting[ra][text=rime a] \defineindenting[rb][text=rime b] \starttext \startindentations \ra pretty litte girl \par \ra pretty litte girl in a blue dress \par \rb pretty little girl in a blue dress \par \stopindentations \stoptext system > error on line 6 in file test2.tex: Undefined control sequence ... 1 \defineindenting[ra][text=rime a] 2 \defineindenting[rb][text=rime b] 3 4 \starttext 5 6 >> \startindentation Herbert