@code{free}.
There is also @code{scm_gc_realloc} and @code{scm_realloc}, to be used
-in place of @code{realloc} when appropriate, @code{scm_gc_calloc} and
-@code{scm_calloc}, to be used in place of @code{calloc} when
+in place of @code{realloc} when appropriate, and @code{scm_gc_calloc}
+and @code{scm_calloc}, to be used in place of @code{calloc} when
appropriate.
-There function @code{scm_frame_free} can be useful when memory should
-be freed when a frame is left, @xref{Frames}.
+The function @code{scm_frame_free} can be useful when memory should be
+freed when a frame is left, @xref{Frames}.
For really specialized needs, take at look at
@code{scm_gc_register_collectable_memory} and