-@item --enable-help-builtin
-Include the @code{help} builtin, which displays help on shell builtins and
-variables.
-
-@item --enable-array-variables
-Include support for one-dimensional array shell variables.
-
-@item --enable-dparen-arithmetic
-Include support for the @code{ksh} @code{((@dots{}))} command.
-
-@item --enable-brace-expansion
-Include @code{csh}-like brace expansion
-( @code{b@{a,b@}c} @expansion{} @code{bac bbc} ).
-
-@item --enable-disabled-builtins
-Allow builtin commands to be invoked via @samp{builtin xxx}
-even after @code{xxx} has been disabled using @samp{enable -n xxx}.
-See @ref{Bash Builtins}, for details of the @code{builtin} and
-@code{enable} builtin commands.
-
-@item --enable-command-timing
-Include support for recognizing @code{time} as a reserved word and for
-displaying timing statistics for the pipeline following @code{time}. This
-allows pipelines as well as shell builtins and functions to be timed.
-