Add note about an edge in a cluster causing the endpoints to be in the cluster.

diff --git a/doc/info/lang.html b/doc/info/lang.html
index b55e6283dcb63d173bab9f1d4e75983020389163..ae58eb3ae6c15bc736e58698d1a37a88d3035dd5 100644 (file)
--- a/doc/info/lang.html
+++ b/doc/info/lang.html
@@ -175,6 +175,10 @@ than listing the graph attribute at the top of the graph, and the
 resetting the attribute as needed in the subgraphs, one can simple defer
 the attribute definition if the graph until the appropriate subgraphs
 have been defined.
+<P>
+If an edge belongs to a cluster, its endpoints belong to that cluster.
+Thus, where you put an edge can effect a layout, as clusters are sometimes
+laid out recursively.
 <H2>Character encodings</H2>
 The DOT language assumes at least the ascii character set.
 Quoted strings, both ordinary and HTML-like, may contain non-ascii characters.

diff --git a/doc/infosrc/lang.2 b/doc/infosrc/lang.2
index 9f211dba1d7e5f3de82b2f24a0ba2b57ada1da43..cb6e43767dc342d3f1edea18c14db80b37090554 100644 (file)
--- a/doc/infosrc/lang.2
+++ b/doc/infosrc/lang.2
@@ -66,6 +66,10 @@ than listing the graph attribute at the top of the graph, and the
 resetting the attribute as needed in the subgraphs, one can simple defer
 the attribute definition if the graph until the appropriate subgraphs
 have been defined.
+<P>
+If an edge belongs to a cluster, its endpoints belong to that cluster.
+Thus, where you put an edge can effect a layout, as clusters are sometimes
+laid out recursively.
 <H2>Character encodings</H2>
 The DOT language assumes at least the ascii character set.
 Quoted strings, both ordinary and HTML-like, may contain non-ascii characters.