-/* Structure for keeping list of addresses that have been added to
-Envelope-To:, in order to avoid duplication. */
-
-struct aci {
- struct aci *next;
- address_item *ptr;
- };
-
-
-/* Static data for write_chunk() */
-
-static uschar *chunk_ptr; /* chunk pointer */
-static uschar *nl_check; /* string to look for at line start */
-static int nl_check_length; /* length of same */
-static uschar *nl_escape; /* string to insert */
-static int nl_escape_length; /* length of same */
-static int nl_partial_match; /* length matched at chunk end */
-
-