prepare for the release of rrdtool-1.3.0

[rrdtool.git] / doc / rrdgraph_graph.pod

diff --git a/doc/rrdgraph_graph.pod b/doc/rrdgraph_graph.pod
index f40877c..7f2a36b 100644 (file)
--- a/doc/rrdgraph_graph.pod
+++ b/doc/rrdgraph_graph.pod
@@ -38,12 +38,9 @@ These instructions allow you to generate your image or report.
 If you don't use any graph elements, no graph is generated.
 Similarly, no report is generated if you don't use print options.
 
-=head1 PRINT
+=head2 PRINT
 
-=over 4
-
-
-=item B<PRINT:>I<vname>B<:>I<format>[B<:strftime>]
+=head3 B<PRINT:>I<vname>B<:>I<format>[B<:strftime>]
 
 Depending on the context, either the value component or the time
 component of a B<VDEF> is printed using I<format>. It is an error
@@ -55,7 +52,7 @@ can be:
 
 For printing values:
 
-=over 4
+=over
 
 =item B<%%>
 
@@ -92,7 +89,7 @@ B<:strftime> to the format. Note that rrdtool uses the strftime function of your
 the conversion specifier may vary. Check the manual page if you are uncertain. The following is a list of
 conversion specifiers usually supported across the board. 
 
-=over 4
+=over
 
 =item B<%a>
 
@@ -195,33 +192,30 @@ A literal `%' character.
 
 =back
 
-=item B<PRINT:>I<vname>B<:>I<CF>B<:>I<format>
+=head3 B<PRINT:>I<vname>B<:>I<CF>B<:>I<format>
 
 I<Deprecated. Use the new form of this command in new scripts.>
 The first form of this command is to be used with B<CDEF> I<vname>s.
 
-=back
-
-=head1 GRAPH
 
-=over 4
+=head2 GRAPH
 
-=item B<GPRINT>B<:>I<vname>B<:>I<format>
+=head3 B<GPRINT>B<:>I<vname>B<:>I<format>
 
 This is the same as C<PRINT>, but printed inside the graph.
 
-=item B<GPRINT>B<:>I<vname>B<:>I<CF>B<:>I<format>
+=head3 B<GPRINT>B<:>I<vname>B<:>I<CF>B<:>I<format>
 
 I<Deprecated. Use the new form of this command in new scripts.>
 This is the same as C<PRINT>, but printed inside the graph.
 
-=item B<COMMENT>B<:>I<text>
+=head3 B<COMMENT>B<:>I<text>
 
 Text is printed literally in the legend section of the graph. Note that in
 RRDtool 1.2 you have to escape colons in COMMENT text in the same way you
 have to escape them in B<*PRINT> commands by writing B<'\:'>.
 
-=item B<VRULE>B<:>I<time>B<#>I<color>[B<:>I<legend>][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]
+=head3 B<VRULE>B<:>I<time>B<#>I<color>[B<:>I<legend>][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]
 
 Draw a vertical line at I<time>.  Its color is composed from three
 hexadecimal numbers specifying the rgb color components (00 is off, FF is
@@ -231,13 +225,13 @@ from a B<VDEF>. It is an error to use I<vname>s from B<DEF> or B<CDEF> here.
 Dashed lines can be drawn using the B<dashes> modifier. See B<LINE> for more
 details.
 
-=item B<HRULE>B<:>I<value>B<#>I<color>[B<:>I<legend>][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]
+=head3 B<HRULE>B<:>I<value>B<#>I<color>[B<:>I<legend>][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]
 
 Draw a horizontal line at I<value>.  HRULE acts much like LINE except that
 will have no effect on the scale of the graph. If a HRULE is outside the
 graphing area it will just not be visible.
 
-=item B<LINE>[I<width>]B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>]][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]
+=head3 B<LINE>[I<width>]B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>]][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]
 
 Draw a line of the specified width onto the graph. I<width> can be a
 floating point number. If the color is not specified, the drawing is done
@@ -259,12 +253,12 @@ at which the stroke begins.
 When you do not specify a color, you cannot specify a legend.  Should
 you want to use STACK, use the "LINEx:<value>::STACK" form.
 
-=item B<AREA>B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>]]
+=head3 B<AREA>B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>]]
 
 See B<LINE>, however the area between the x-axis and the line will
 be filled.
 
-=item B<TICK>B<:>I<vname>B<#>I<rrggbb>[I<aa>][B<:>I<fraction>[B<:>I<legend>]]
+=head3 B<TICK>B<:>I<vname>B<#>I<rrggbb>[I<aa>][B<:>I<fraction>[B<:>I<legend>]]
 
 Plot a tick mark (a vertical line) for each value of I<vname> that is
 non-zero and not *UNKNOWN*. The I<fraction> argument specifies the length of
@@ -273,7 +267,7 @@ the axis). Note that the color specification is not optional. The TICK marks nor
 start at the lower edge of the graphing area. If the fraction is negative they start
 at the upper border of the graphing area.
 
-=item B<SHIFT>B<:>I<vname>B<:>I<offset>
+=head3 B<SHIFT>B<:>I<vname>B<:>I<offset>
 
 Using this command B<RRDtool> will graph the following elements
 with the specified offset.  For instance, you can specify an
@@ -282,7 +276,7 @@ week. Make sure to tell the viewer of your graph you did this ...
 As with the other graphing elements, you can specify a number or
 a variable here.
 
-=item B<TEXTALIGN>B<:>{B<left>|B<right>|B<justified>|B<center>}
+=head3 B<TEXTALIGN>B<:>{B<left>|B<right>|B<justified>|B<center>}
 
 Labels are placed below the graph. When they overflow to the left, they wrap
 to the next line. By default, lines are justified left and right. The
@@ -312,7 +306,7 @@ argument list.
 
 =pod
 
-=item B<STACK>B<:>I<vname>B<#>I<color>[B<:>I<legend>]
+=head3 B<STACK>B<:>I<vname>B<#>I<color>[B<:>I<legend>]
 
 I<Deprecated.  Use the B<STACK> modifiers on the other commands.>