--- embedaddon/bird/doc/bird-5.html	2017/08/22 12:33:54	1.1.1.1
+++ embedaddon/bird/doc/bird-5.html	2021/03/17 19:50:23	1.1.1.2
@@ -269,6 +269,7 @@ ASN, for example if the path contains an AS set elemen
 the last) part. If the path ends with an AS set, <CODE>last_nonaggregated</CODE>
 may be used to get last ASN before any AS set.
 <P><CODE><I>P</I>.len</CODE> returns the length of path <I>P</I>.
+<P><CODE><I>P</I>.empty</CODE> resets path <I>P</I> to empty path.
 <P><CODE>prepend(<I>P</I>,<I>A</I>)</CODE> prepends ASN <I>A</I> to path <I>P</I> and
 returns the result.
 <P><CODE>delete(<I>P</I>,<I>A</I>)</CODE> deletes all instances of ASN <I>A</I> from
@@ -302,6 +303,7 @@ modified. The type is used for community list (a set o
 cluster list (a set of quads). There exist no literals of this type.
 There are three special operators on clists:
 <P><CODE><I>C</I>.len</CODE> returns the length of clist <I>C</I>.
+<P><CODE><I>C</I>.empty</CODE> resets clist <I>C</I> to empty clist.
 <P><CODE>add(<I>C</I>,<I>P</I>)</CODE> adds pair (or quad) <I>P</I> to clist <I>C</I> and
 returns the result. If item <I>P</I> is already in clist <I>C</I>, it does
 nothing. <I>P</I> may also be a clist, in that case all its members are
@@ -467,7 +469,8 @@ messages). Can be changed, but only to <CODE>RTD_BLACK
 <DT><CODE>
 <A NAME="rta-ifname"></A> <I>string</I> ifname</CODE><DD><P>Name of the outgoing interface. Sink routes (like blackhole, unreachable
 or prohibit) and multipath routes have no interface associated with
-them, so <CODE>ifname</CODE> returns an empty string for such routes. Read-only.
+them, so <CODE>ifname</CODE> returns an empty string for such routes. Setting it
+would also change route to a direct one (remove gateway).
 <P>
 <DT><CODE>
 <A NAME="rta-ifindex"></A> <I>int</I> ifindex</CODE><DD><P>Index of the outgoing interface. System wide index of the interface. May