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-rw-r--r--doc/ref/api-io.texi8
1 files changed, 0 insertions, 8 deletions
diff --git a/doc/ref/api-io.texi b/doc/ref/api-io.texi
index e1501e2b4..80a227202 100644
--- a/doc/ref/api-io.texi
+++ b/doc/ref/api-io.texi
@@ -2303,14 +2303,6 @@ A pointer to a NUL terminated string: the name of the port type. This
is the only element of @code{scm_ptob_descriptor} which is not
a procedure. Set via the first argument to @code{scm_make_port_type}.
-@item mark
-Called during garbage collection to mark any SCM objects that a port
-object may contain. It doesn't need to be set unless the port has
-@code{SCM} components. Set using
-
-@deftypefun void scm_set_port_mark (scm_t_bits tc, SCM (*mark) (SCM port))
-@end deftypefun
-
@item free
Called when the port is collected during gc. It
should free any resources used by the port.