@defun featurep feature &optional subfeature
This function returns @code{t} if @var{feature} has been provided in the
-current Emacs session (i.e., if @var{feature} is a member of
+current Emacs session (i.e.@:, if @var{feature} is a member of
@code{features}.) If @var{subfeature} is non-nil, then the function
-returns @code{t} only if that subfeature is provided as well (i.e.
-if @var{subfeature} is a member of the @var{subfeature} property
+returns @code{t} only if that subfeature is provided as well (i.e.@:
+if @var{subfeature} is a member of the @code{subfeature} property
of the @var{feature} symbol.)
@end defun
installed library is found by searching @code{load-path}, you should not
include any directory names in @var{library}.
-@var{library} can also be a feature (i.e. a symbol), in which case,
+@var{library} can also be a feature (i.e.@: a symbol), in which case
@var{form} is evaluated when @code{(provide @var{library})} is called.
An error in @var{form} does not undo the load, but does prevent