mods in syntax of commands added two small texts

modifications in the syntax of LINE, HRULE and VRULE commands some places
added HRULE hidden legend default behaviour
added an example for %lf

diff --git a/doc/rrdgraph_graph.pod b/doc/rrdgraph_graph.pod
index e2743daae64558f0f360c865afd367ea71acf3a5..1801a7136af93f41a8681c6948e355e74eef1304 100644 (file)
--- a/doc/rrdgraph_graph.pod
+++ b/doc/rrdgraph_graph.pod
@@ -12,11 +12,11 @@ B<GPRINT>B<:>I<vname>B<:>I<format>
 
 B<COMMENT>B<:>I<text>
 
-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>]]
+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>]]]
 
-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>]]
+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>]]]
 
-B<LINE>[I<width>]B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>][B<:skipscale>][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]
+B<LINE>[I<width>]B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>][B<:skipscale>][B<:dashes>[B<=>I<on_s>[,I<off_s>[,I<on_s>,I<off_s>]...]][B<:dash-offset=>I<offset>]]]
 
 B<AREA>B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>][B<:skipscale>]]
 
@@ -65,7 +65,7 @@ width and decimal precision.
 
 =item B<%#.#lf>
 
-prints numbers like 12345.6789, with optional field width
+prints numbers like 12345.6789 (%5.4lf), with optional field width
 and precision.
 
 =item B<%s>
@@ -219,7 +219,7 @@ 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<'\:'>.
 
-=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>]]
+=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
@@ -229,13 +229,13 @@ 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.
 
-=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>]]
+=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.
+graphing area it will just not be visible and it will not appear in the legend by default.
 
-=head3 B<LINE>[I<width>]B<:>I<value>[B<#>I<color>][B<:>[I<legend>][B<:STACK>][B<:skipscale>]][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<:skipscale>][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