From: Andre Klärner <kandre@ak-online.be>
Date: Wed, 21 Sep 2022 07:13:15 +0000 (+0200)
Subject: rewrite valstrfduration introduction
X-Git-Tag: v1.9.0~26^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1189%2Fhead;p=thirdparty%2Frrdtool-1.x.git

rewrite valstrfduration introduction
---

diff --git a/doc/rrdgraph_graph.pod b/doc/rrdgraph_graph.pod
index 3afbef11..aa95f94b 100644
--- a/doc/rrdgraph_graph.pod
+++ b/doc/rrdgraph_graph.pod
@@ -197,7 +197,8 @@ A literal `%' character.
 
 =back
 
-Formatting values as duration is done using printf like conversion specifications:
+You can format values as duration using B<:valstrfduration> with the value being interpreted as milliseconds.
+Using printf like conversion specifications you can extract properties from the duration:
 
  - All non-conversion specification chars are copied unchanged
  - A conversion specification has format '%' [ ['0'] minwidth ] [ '.' precision ] conversion-specifier