From: Tobias Oetiker <tobi@oetiker.ch>
Date: Wed, 18 Jan 2012 06:08:12 +0000 (+0000)
Subject: be clearer as to what VDEF LAST/FIRST do.
X-Git-Tag: 1.4.7~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cc400c10f8b7d448bd357b7f715bfb0f9e4ca74;p=thirdparty%2Frrdtool-1.x.git

be clearer as to what VDEF LAST/FIRST do.


git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.4/program@2259 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/doc/rrdgraph_rpn.pod b/doc/rrdgraph_rpn.pod
index 5558c224..894fef16 100644
--- a/doc/rrdgraph_rpn.pod
+++ b/doc/rrdgraph_rpn.pod
@@ -344,9 +344,8 @@ Example: C<VDEF:stdev=mydata,STDEV>
 
 =item LAST, FIRST
 
-Return the last/first value including its time.  The time for
-FIRST is actually the start of the corresponding interval, whereas
-LAST returns the end of the corresponding interval.
+Return the last/first non-nan or infinite value for the selected data
+stream, including its timestamp.
 
 Example: C<VDEF:first=mydata,FIRST>