Update documentation
diff --git a/www/compose.html b/www/compose.html
index 6416334..fe4ae99 100644
--- a/www/compose.html
+++ b/www/compose.html
@@ -5,29 +5,29 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-  <meta charset="utf-8" >
-  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" >
+  <meta charset="utf-8"  />
+  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"  />
   <title>Alpha Compositing @ ImageMagick</title>
-  <meta name="application-name" content="ImageMagick">
-  <meta name="description" content="ImageMagick® is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves.">
-  <meta name="application-url" content="https://www.imagemagick.org">
-  <meta name="generator" content="PHP">
-  <meta name="keywords" content="alpha, compositing, ImageMagick, PerlMagick, image processing, image, photo, software, Magick++, OpenMP, convert">
-  <meta name="rating" content="GENERAL">
-  <meta name="robots" content="INDEX, FOLLOW">
-  <meta name="generator" content="ImageMagick Studio LLC">
-  <meta name="author" content="ImageMagick Studio LLC">
-  <meta name="revisit-after" content="2 DAYS">
-  <meta name="resource-type" content="document">
-  <meta name="copyright" content="Copyright (c) 1999-2017 ImageMagick Studio LLC">
-  <meta name="distribution" content="Global">
-  <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1">
-  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-  <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4">
-  <link href="compose.html" rel="canonical">
-  <link href="../images/wand.png" rel="icon">
-  <link href="../images/wand.ico" rel="shortcut icon">
-  <link href="assets/magick.css" rel="stylesheet">
+  <meta name="application-name" content="ImageMagick" />
+  <meta name="description" content="ImageMagick® is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves." />
+  <meta name="application-url" content="https://www.imagemagick.org" />
+  <meta name="generator" content="PHP" />
+  <meta name="keywords" content="alpha, compositing, ImageMagick, PerlMagick, image processing, image, photo, software, Magick++, OpenMP, convert" />
+  <meta name="rating" content="GENERAL" />
+  <meta name="robots" content="INDEX, FOLLOW" />
+  <meta name="generator" content="ImageMagick Studio LLC" />
+  <meta name="author" content="ImageMagick Studio LLC" />
+  <meta name="revisit-after" content="2 DAYS" />
+  <meta name="resource-type" content="document" />
+  <meta name="copyright" content="Copyright (c) 1999-2017 ImageMagick Studio LLC" />
+  <meta name="distribution" content="Global" />
+  <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1" />
+  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+  <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" />
+  <link href="compose.html" rel="canonical" />
+  <link href="../images/wand.png" rel="icon" />
+  <link href="../images/wand.ico" rel="shortcut icon" />
+  <link href="assets/magick.css" rel="stylesheet" />
 </head>
 <body>
   <header>
@@ -646,4 +646,3 @@
   <script>window.jQuery || document.write('<script src="assets/jquery.min.js"><\/script>')</script>
 </body>
 </html>
-<!-- Magick Cache 9th December 2017 17:39 -->
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