--- rxvt-unicode/src/perl/background	2012/08/10 20:07:11	1.75
+++ rxvt-unicode/src/perl/background	2013/01/19 10:04:34	1.82
@@ -6,7 +6,7 @@
 
 =head1 NAME
 
-   background - manage terminal background
+background - manage terminal background
 
 =head1 SYNOPSIS
 
@@ -424,6 +424,8 @@
       $base
    }
 
+=back
+
 =head2 TILING MODES
 
 The following operators modify the tiling mode of an image, that is, the
@@ -535,6 +537,8 @@
 
 =item TW
 
+=item TH
+
 Return the width (C<TW>) and height (C<TH>) of the terminal window (the
 terminal window is the full window by default, and the character area only
 when in border-respect mode).
@@ -611,7 +615,7 @@
 larger than the image, then the tiling mode defines how the extra pixels
 will be filled.
 
-If C<$x> an C<$y> are missing, then C<0> is assumed for both.
+If C<$x> and C<$y> are missing, then C<0> is assumed for both.
 
 If C<$width> and C<$height> are missing, then the window size will be
 assumed.
@@ -639,7 +643,7 @@
 Scales the image by the given factors in horizontal
 (C<$width>) and vertical (C<$height>) direction.
 
-If only one factor is give, it is used for both directions.
+If only one factor is given, it is used for both directions.
 
 If no factors are given, scales the image to the window size without
 keeping aspect.
@@ -774,7 +778,7 @@
 Rotates the image clockwise by C<$degrees> degrees, around the point at
 C<$center_x> and C<$center_y> (specified as factor of image width/height).
 
-Example: rotate the image by 90 degrees around it's center.
+Example: rotate the image by 90 degrees around its center.
 
    rotate 0.5, 0.5, 90, keep { load "$HOME/mybg.png" }
 
@@ -815,6 +819,16 @@
       $_[1]->tint ($_[0])
    }
 
+=item shade $factor, $img
+
+Shade the image by the given factor.
+
+=cut
+
+   sub shade($$) {
+      $_[1]->shade ($_[0])
+   }
+
 =item contrast $factor, $img
 
 =item contrast $r, $g, $b, $img
@@ -883,7 +897,7 @@
 
 =item muladd $mul, $add, $img # EXPERIMENTAL
 
-First multipliesthe pixels by C<$mul>, then adds C<$add>. This cna be used
+First multiplies the pixels by C<$mul>, then adds C<$add>. This can be used
 to implement brightness and contrast at the same time, with a wider value
 range than contrast and brightness operators.