column: add note that circular dependencies are ignored

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/text-utils/column.1 b/text-utils/column.1
index 0c4f8794ef42095fc8d0eb8d164f9fd386753430..b605d505d4ca1ce9d73517fb5c3420b1b8f1024d 100644 (file)
--- a/text-utils/column.1
+++ b/text-utils/column.1
@@ -101,7 +101,8 @@ Specify columns order on output.
 .IP "\fB\-n, \-\-table-name\fP \fIname\fP"
 Specify the table name used for JSON output. The defaout is "table".
 .IP "\fB\-r, \-\-tree\fP \fIcolumn\fP"
-Specify column to use tree-like output.
+Specify column to use tree-like output. Note that the circular dependencies and
+another anomalies in child and parent relation are silently ignored.
 .IP "\fB\-i, \-\-tree\-id\fP \fIcolumn\fP"
 Specify column with line ID to create child-parent relation.
 .IP "\fB\-p, \-\-tree\-parent\fP \fIcolumn\fP"