The user is then responsible for making sure that the original
object gets used somewhere else or is explicitly freed.
-The arguments and return values of all documents functions are
+The arguments and return values of all documented functions are
annotated to make clear which arguments are released and which
arguments are preserved. In particular, the following annotations
are used
If the user passes in a C<NULL> value, then this will
be treated as an error in the sense that the function will
not perform its usual operation. However, it will still
-make sure that all the the other C<__isl_take> arguments
+make sure that all the other C<__isl_take> arguments
are released.
=item C<__isl_keep>