fix typo, update README

README.pod

@@ -225,6 +225,31 @@ Backslash escapes control characters to render them as themselves.
 
 =back
 
+=head2 Unicode text
+
+Separately to "enhanced" text above, if you wish to include text that
+is not ASCII, then you will need to pass data that has been UTF-8
+encoded. Sample code to achieve this:
+
+  use utf8;
+  use Encode;
+  use PDL;
+  use PDL::Graphics::Gnuplot;
+  use PDL::Constants qw(PI);
+
+  sub plot_sin {
+    my ($w, $coeff) = @_;
+    my $xrange = [ -2*PI, 2*PI ];
+    my $x = zeroes(1e3)->xlinvals(@$xrange); my $y = sin($coeff * 2 * PI * $x);
+    my $title = "y = sin( $coeff * 2π * x )";
+    # to get around sending text through syswrite()
+    my $title_octets = encode('UTF-8', $title);
+    $w->plot(with=>'lines', $x, $y, {
+      xrange => $xrange,
+      title => $title_octets, # can not pass $title as-is
+    });
+  }
+
 =head2 Color specification
 
 There are several contexts where you can specify color of plot elements.  In those
@@ -1455,7 +1480,7 @@ B<C<pointsize>> accepts a single number and scales the size of points used in pl
 
 B<C<style>> provides a great deal of customization for individual plot styles.
 It is not (yet) fully parsed by PDL::Graphics::Gnuplot; please refer to the Gnuplot
-manual for details (it is pp. 145ff in the Gnuplot 4.6.1 maual).  C<style> accepts
+manual for details (it is pp. 145ff in the Gnuplot 4.6.1 manual).  C<style> accepts
 a hash ref whose keys are plot styles (such as you would feed to the C<with> curve option),
 and whose values are array refs containing keywords and other parameters to modify how each
 plot style should be displayed.
@@ -2179,6 +2204,15 @@ global gnuplot object.
 =cut
 =pod
 
+=head2 plot_generate
+
+=for ref
+
+Called with the same arguments as L</plot>, it returns the text that
+would be sent to Gnuplot. Exportable.
+Added in 2.025.
+
+=cut
 =head2 gplot
 
 =for ref
@@ -2328,6 +2362,14 @@ Displays a FITS image.  Synonym for C<plot(globalwith =E<gt> 'fits', ...)>.
 =cut
 =pod
 
+=head2 multiplot_generate
+
+=for ref
+
+Called with the same arguments as L</multiplot>, it returns the text that
+would be sent to Gnuplot.
+Added in 2.025.
+
 =head2 multiplot
 
 =for example
@@ -2338,6 +2380,7 @@ Displays a FITS image.  Synonym for C<plot(globalwith =E<gt> 'fits', ...)>.
  $w->multiplot(layout=>[2,2,"columnsfirst"]);
  $w->plot({title=>"points"},with=>"points",$a,$b);
  $w->plot({title=>"lines"}, with=>"lines", $a,$b);
+ $w->multiplot_next; # with Gnuplot 4.7+
  $w->plot({title=>"image"}, with=>"image", $a->(*1) * $b );
  $w->end_multi();
 
@@ -2386,6 +2429,28 @@ of each plot within the grid.
 
 =back
 
+=head2 multiplot_next_generate
+
+=for ref
+
+Called with the same arguments as L</multiplot_next>, it returns the text that
+would be sent to Gnuplot. Exportable.
+Added in 2.025.
+
+=head2 multiplot_next
+
+=for ref
+
+Skip one plot. Added in 2.025. Requires Gnuplot 4.7+.
+
+=head2 end_multi_generate
+
+=for ref
+
+Called with the same arguments as L</end_multi>, it returns the text that
+would be sent to Gnuplot. Exportable.
+Added in 2.025.
+
 =head2 end_multi
 
 =for usage

lib/PDL/Graphics/Gnuplot.pm

@@ -1545,7 +1545,7 @@ B<C<pointsize>> accepts a single number and scales the size of points used in pl
 
 B<C<style>> provides a great deal of customization for individual plot styles.
 It is not (yet) fully parsed by PDL::Graphics::Gnuplot; please refer to the Gnuplot
-manual for details (it is pp. 145ff in the Gnuplot 4.6.1 maual).  C<style> accepts
+manual for details (it is pp. 145ff in the Gnuplot 4.6.1 manual).  C<style> accepts
 a hash ref whose keys are plot styles (such as you would feed to the C<with> curve option),
 and whose values are array refs containing keywords and other parameters to modify how each
 plot style should be displayed.