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-rw-r--r--doc/bird.sgml3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index b5bdb93..f7ff2f5 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -719,7 +719,8 @@ incompatible with each other (that is to prevent you from shooting in the foot).
sets.
For pair sets, expressions like <cf/(123,*)/ can be used to denote ranges (in
that case <cf/(123,0)..(123,65535)/). You can also use <cf/(123,5..100)/ for range
- <cf/(123,5)..(123,100)/.
+ <cf/(123,5)..(123,100)/. You can also use <cf/(*,123)/ which is translated as
+ <cf/(0,123) , (1,123) , (2,123) , ... , (65535, 123)/
You can also use expressions for both, pair sets and int sets. However it must
be possible to evaluate these expressions before daemon boots. So you can use
only constants inside them. E.g.