colon in the example above is necessary. If it were not there, the list would
be interpreted as the two items 127.0.0.1:: and 1.
-.section "Changing list separators" "SECID53"
+.section "Changing list separators" "SECTlistsepchange"
.cindex "list separator" "changing"
.cindex "IPv6" "addresses in lists"
Doubling colons in IPv6 addresses is an unwelcome chore, so a mechanism was
routers, and this can lead to problems with duplicates -- see the similar
warning for &%headers_add%& above.
+&*Warning 3*&: Because of the separate expansion of the list items,
+items that contain a list separator must have it doubled.
+To avoid this, change the list separator (&<<SECTlistsepchange>>&).
+
+
.option ignore_target_hosts routers "host list&!!" unset
.cindex "IP address" "discarding"
Unlike most options, &%headers_remove%& can be specified multiple times
for a router; all listed headers are removed.
+&*Warning*&: Because of the separate expansion of the list items,
+items that contain a list separator must have it doubled.
+To avoid this, change the list separator (&<<SECTlistsepchange>>&).
+
.option headers_rewrite transports string unset