diff --git a/doc/cdeftutorial.1 b/doc/cdeftutorial.1
index 7e2f4ac0a59b7381a8fd80a2f8db84d7420d5aea..ba1dba831ed11622950324c3c835981f265b6a9b 100644 (file)
--- a/doc/cdeftutorial.1
+++ b/doc/cdeftutorial.1
.\" ========================================================================
.\"
.IX Title "CDEFTUTORIAL 1"
-.TH CDEFTUTORIAL 1 "2008-03-15" "1.3rc6" "rrdtool"
+.TH CDEFTUTORIAL 1 "2008-03-15" "1.3rc9" "rrdtool"
.SH "NAME"
cdeftutorial \- Alex van den Bogaerdt's CDEF tutorial
.SH "DESCRIPTION"
.PP
.Vb 7
\& counter value resulting rate
-\& 10'000
-\& 10'060 1; (10'060\-10'000)/60 == 1
-\& 10'120 1; (10'120\-10'060)/60 == 1
-\& unknown unknown; you don't know the last value
-\& 10'240 unknown; you don't know the previous value
-\& 10'300 1; (10'300\-10'240)/60 == 1
+\& 10\(aq000
+\& 10\(aq060 1; (10\(aq060\-10\(aq000)/60 == 1
+\& 10\(aq120 1; (10\(aq120\-10\(aq060)/60 == 1
+\& unknown unknown; you don\(aqt know the last value
+\& 10\(aq240 unknown; you don\(aqt know the previous value
+\& 10\(aq300 1; (10\(aq300\-10\(aq240)/60 == 1
.Ve
.PP
If the \s-1CDP\s0 was to be calculated from the last five updates, it would get
\& CDEF:prev3=PREV(prev2)
\& CDEF:median=prev1,prev2,prev3,+,+,3,/
\& LINE3:median#000077:filtered
-\& LINE1:prev2#007700:'raw data'
+\& LINE1:prev2#007700:\(aqraw data\(aq
.Ve
.PP
.Vb 1
\& CDEF:prevtime=PREV(time)
\& CDEF:derivate=var,prev1,\-,time,prevtime,\-,/
\& LINE3:derivate#000077:derivate
-\& LINE1:var#007700:'raw data'
+\& LINE1:var#007700:\(aqraw data\(aq
.Ve
.SH "Out of ideas for now"
.IX Header "Out of ideas for now"