Retidy, removing align=left from headings and empty paragraphs
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7b08bb15c6
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362 changed files with 8472 additions and 5040 deletions
31
48-03.html
31
48-03.html
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@ -1,5 +1,4 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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@ -19,17 +18,21 @@
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<center>
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<table border="1">
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<tr>
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<td><a href="48-02.html">Previous</a></td>
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<td>
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<a href="48-02.html">Previous</a>
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</td>
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<td><a href="index.html">Table of Contents</a></td>
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<td>
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<a href="index.html">Table of Contents</a>
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</td>
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<td><a href="48-04.html">Next</a></td>
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<td>
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<a href="48-04.html">Next</a>
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</td>
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</tr>
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</table>
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</center>
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<p><br /></p>
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<p>Four-pixel-wide patterns are more useful than you might imagine. There are actually 2128 possible patterns (16 pixels, each with 28 possible colors); that set is certainly large enough for most color-dithering purposes, and includes many often-used patterns, such as halftones, diagonal stripes, and crosshatches.</p>
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<p>Furthermore, eight-wide patterns, which are widely used, can be drawn with two passes, one for each half of the pattern. This principle can in fact be extended to patterns of arbitrary multiple-of-four widths. (Widths that aren’t multiples of four are considerably more difficult to handle, because the latches are four pixels wide; one possible solution is expanding such patterns via repetition until they are multiple-of-four widths.)</p>
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@ -59,16 +62,20 @@
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</tr>
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</table>
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<p><br /></p>
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<center>
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<table border="1">
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<tr>
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<td><a href="48-02.html">Previous</a></td>
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<td>
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<a href="48-02.html">Previous</a>
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</td>
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<td><a href="index.html">Table of Contents</a></td>
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<td>
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<a href="index.html">Table of Contents</a>
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</td>
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<td><a href="48-04.html">Next</a></td>
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<td>
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<a href="48-04.html">Next</a>
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</td>
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</tr>
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</table>
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</center>
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