From aec9c25120226ffe02ea6d5a7ca3f1fae94c80c9 Mon Sep 17 00:00:00 2001
From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Fri, 10 Jun 2005 19:25:36 +0000
Subject: [PATCH] vnames MUST start with a letter

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2@618 a5681a0c-68f1-0310-ab6d-d61299d08faa
---
 program/doc/rrdgraph_data.pod | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/program/doc/rrdgraph_data.pod b/program/doc/rrdgraph_data.pod
index c57b2c35..dba53f37 100644
--- a/program/doc/rrdgraph_data.pod
+++ b/program/doc/rrdgraph_data.pod
@@ -20,7 +20,7 @@ instructions use a language called B<RPN> which is described in its
 own manual page.
 
 Variable names (I<vname>) must be made up strings of the following characters
-C<A-Z, a-z, 0-9, -,_> with a maximum length of 255 characters.
+C<A-Z, a-z, 0-9, -,_>, starting with a letter and a maximum length of 255 characters.
 
 =head1 DEF
 
-- 
2.30.2