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985 lines
24 KiB
HTML
985 lines
24 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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<head>
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<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
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<meta name="generator" content="AsciiDoc 8.6.8" />
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<title>cset-set(1)</title>
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<style type="text/css">
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/* Shared CSS for AsciiDoc xhtml11 and html5 backends */
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/* Default font. */
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body {
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font-family: Georgia,serif;
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}
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/* Title font. */
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h1, h2, h3, h4, h5, h6,
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div.title, caption.title,
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thead, p.table.header,
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#toctitle,
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#author, #revnumber, #revdate, #revremark,
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#footer {
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font-family: Arial,Helvetica,sans-serif;
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}
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body {
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margin: 1em 5% 1em 5%;
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}
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a {
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color: blue;
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text-decoration: underline;
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}
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a:visited {
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color: fuchsia;
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}
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em {
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font-style: italic;
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color: navy;
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}
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strong {
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font-weight: bold;
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color: #083194;
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}
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h1, h2, h3, h4, h5, h6 {
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color: #527bbd;
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margin-top: 1.2em;
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margin-bottom: 0.5em;
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line-height: 1.3;
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}
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h1, h2, h3 {
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border-bottom: 2px solid silver;
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}
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h2 {
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padding-top: 0.5em;
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}
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h3 {
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float: left;
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}
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h3 + * {
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clear: left;
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}
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h5 {
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font-size: 1.0em;
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}
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div.sectionbody {
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margin-left: 0;
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}
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hr {
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border: 1px solid silver;
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}
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p {
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margin-top: 0.5em;
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margin-bottom: 0.5em;
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}
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ul, ol, li > p {
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margin-top: 0;
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}
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ul > li { color: #aaa; }
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ul > li > * { color: black; }
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.monospaced, code, pre {
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font-family: "Courier New", Courier, monospace;
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font-size: inherit;
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color: navy;
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padding: 0;
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margin: 0;
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}
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#author {
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color: #527bbd;
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font-weight: bold;
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font-size: 1.1em;
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}
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#email {
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}
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#revnumber, #revdate, #revremark {
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}
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#footer {
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font-size: small;
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border-top: 2px solid silver;
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padding-top: 0.5em;
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margin-top: 4.0em;
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}
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#footer-text {
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float: left;
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padding-bottom: 0.5em;
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}
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#footer-badges {
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float: right;
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padding-bottom: 0.5em;
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}
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#preamble {
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margin-top: 1.5em;
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margin-bottom: 1.5em;
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}
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div.imageblock, div.exampleblock, div.verseblock,
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div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock,
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div.admonitionblock {
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margin-top: 1.0em;
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margin-bottom: 1.5em;
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}
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div.admonitionblock {
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margin-top: 2.0em;
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margin-bottom: 2.0em;
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margin-right: 10%;
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color: #606060;
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}
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div.content { /* Block element content. */
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padding: 0;
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}
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/* Block element titles. */
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div.title, caption.title {
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color: #527bbd;
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font-weight: bold;
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text-align: left;
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margin-top: 1.0em;
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margin-bottom: 0.5em;
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}
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div.title + * {
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margin-top: 0;
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}
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td div.title:first-child {
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margin-top: 0.0em;
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}
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div.content div.title:first-child {
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margin-top: 0.0em;
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}
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div.content + div.title {
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margin-top: 0.0em;
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}
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div.sidebarblock > div.content {
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background: #ffffee;
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border: 1px solid #dddddd;
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border-left: 4px solid #f0f0f0;
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padding: 0.5em;
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}
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div.listingblock > div.content {
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border: 1px solid #dddddd;
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border-left: 5px solid #f0f0f0;
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background: #f8f8f8;
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padding: 0.5em;
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}
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div.quoteblock, div.verseblock {
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padding-left: 1.0em;
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margin-left: 1.0em;
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margin-right: 10%;
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border-left: 5px solid #f0f0f0;
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color: #888;
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}
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div.quoteblock > div.attribution {
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padding-top: 0.5em;
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text-align: right;
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}
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div.verseblock > pre.content {
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font-family: inherit;
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font-size: inherit;
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}
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div.verseblock > div.attribution {
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padding-top: 0.75em;
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text-align: left;
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}
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/* DEPRECATED: Pre version 8.2.7 verse style literal block. */
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div.verseblock + div.attribution {
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text-align: left;
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}
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div.admonitionblock .icon {
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vertical-align: top;
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font-size: 1.1em;
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font-weight: bold;
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text-decoration: underline;
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color: #527bbd;
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padding-right: 0.5em;
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}
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div.admonitionblock td.content {
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padding-left: 0.5em;
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border-left: 3px solid #dddddd;
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}
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div.exampleblock > div.content {
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border-left: 3px solid #dddddd;
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padding-left: 0.5em;
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}
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div.imageblock div.content { padding-left: 0; }
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span.image img { border-style: none; }
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a.image:visited { color: white; }
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dl {
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margin-top: 0.8em;
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margin-bottom: 0.8em;
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}
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dt {
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margin-top: 0.5em;
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margin-bottom: 0;
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font-style: normal;
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color: navy;
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}
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dd > *:first-child {
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margin-top: 0.1em;
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}
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ul, ol {
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list-style-position: outside;
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}
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ol.arabic {
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list-style-type: decimal;
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}
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ol.loweralpha {
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list-style-type: lower-alpha;
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}
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ol.upperalpha {
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list-style-type: upper-alpha;
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}
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ol.lowerroman {
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list-style-type: lower-roman;
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}
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ol.upperroman {
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list-style-type: upper-roman;
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}
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div.compact ul, div.compact ol,
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div.compact p, div.compact p,
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div.compact div, div.compact div {
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margin-top: 0.1em;
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margin-bottom: 0.1em;
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}
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tfoot {
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font-weight: bold;
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}
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td > div.verse {
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white-space: pre;
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}
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div.hdlist {
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margin-top: 0.8em;
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margin-bottom: 0.8em;
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}
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div.hdlist tr {
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padding-bottom: 15px;
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}
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dt.hdlist1.strong, td.hdlist1.strong {
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font-weight: bold;
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}
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td.hdlist1 {
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vertical-align: top;
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font-style: normal;
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padding-right: 0.8em;
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color: navy;
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}
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td.hdlist2 {
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vertical-align: top;
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}
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div.hdlist.compact tr {
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margin: 0;
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padding-bottom: 0;
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}
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.comment {
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background: yellow;
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}
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.footnote, .footnoteref {
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font-size: 0.8em;
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}
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span.footnote, span.footnoteref {
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vertical-align: super;
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}
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#footnotes {
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margin: 20px 0 20px 0;
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padding: 7px 0 0 0;
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}
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#footnotes div.footnote {
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margin: 0 0 5px 0;
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}
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#footnotes hr {
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border: none;
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border-top: 1px solid silver;
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height: 1px;
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text-align: left;
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margin-left: 0;
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width: 20%;
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min-width: 100px;
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}
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div.colist td {
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padding-right: 0.5em;
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padding-bottom: 0.3em;
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vertical-align: top;
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}
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div.colist td img {
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margin-top: 0.3em;
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}
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@media print {
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#footer-badges { display: none; }
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}
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#toc {
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margin-bottom: 2.5em;
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}
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#toctitle {
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color: #527bbd;
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font-size: 1.1em;
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font-weight: bold;
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margin-top: 1.0em;
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margin-bottom: 0.1em;
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}
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div.toclevel0, div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 {
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margin-top: 0;
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margin-bottom: 0;
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}
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div.toclevel2 {
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margin-left: 2em;
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font-size: 0.9em;
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}
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div.toclevel3 {
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margin-left: 4em;
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font-size: 0.9em;
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}
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div.toclevel4 {
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margin-left: 6em;
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font-size: 0.9em;
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}
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span.aqua { color: aqua; }
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span.black { color: black; }
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span.blue { color: blue; }
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span.fuchsia { color: fuchsia; }
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span.gray { color: gray; }
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span.green { color: green; }
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span.lime { color: lime; }
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span.maroon { color: maroon; }
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span.navy { color: navy; }
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span.olive { color: olive; }
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span.purple { color: purple; }
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span.red { color: red; }
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span.silver { color: silver; }
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span.teal { color: teal; }
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span.white { color: white; }
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span.yellow { color: yellow; }
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span.aqua-background { background: aqua; }
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span.black-background { background: black; }
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span.blue-background { background: blue; }
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span.fuchsia-background { background: fuchsia; }
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span.gray-background { background: gray; }
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span.green-background { background: green; }
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span.lime-background { background: lime; }
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span.maroon-background { background: maroon; }
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span.navy-background { background: navy; }
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span.olive-background { background: olive; }
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span.purple-background { background: purple; }
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span.red-background { background: red; }
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span.silver-background { background: silver; }
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span.teal-background { background: teal; }
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span.white-background { background: white; }
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span.yellow-background { background: yellow; }
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span.big { font-size: 2em; }
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span.small { font-size: 0.6em; }
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span.underline { text-decoration: underline; }
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span.overline { text-decoration: overline; }
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span.line-through { text-decoration: line-through; }
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div.unbreakable { page-break-inside: avoid; }
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/*
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* xhtml11 specific
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*
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* */
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div.tableblock {
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margin-top: 1.0em;
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margin-bottom: 1.5em;
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}
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div.tableblock > table {
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border: 3px solid #527bbd;
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}
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thead, p.table.header {
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font-weight: bold;
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color: #527bbd;
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}
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p.table {
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margin-top: 0;
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}
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/* Because the table frame attribute is overriden by CSS in most browsers. */
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div.tableblock > table[frame="void"] {
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border-style: none;
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}
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div.tableblock > table[frame="hsides"] {
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border-left-style: none;
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border-right-style: none;
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}
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div.tableblock > table[frame="vsides"] {
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border-top-style: none;
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border-bottom-style: none;
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}
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/*
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* html5 specific
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*
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* */
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table.tableblock {
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margin-top: 1.0em;
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margin-bottom: 1.5em;
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}
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thead, p.tableblock.header {
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font-weight: bold;
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color: #527bbd;
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}
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p.tableblock {
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margin-top: 0;
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}
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table.tableblock {
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border-width: 3px;
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border-spacing: 0px;
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border-style: solid;
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border-color: #527bbd;
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border-collapse: collapse;
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}
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th.tableblock, td.tableblock {
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border-width: 1px;
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padding: 4px;
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border-style: solid;
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border-color: #527bbd;
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}
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table.tableblock.frame-topbot {
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border-left-style: hidden;
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border-right-style: hidden;
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}
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table.tableblock.frame-sides {
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border-top-style: hidden;
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border-bottom-style: hidden;
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}
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table.tableblock.frame-none {
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border-style: hidden;
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}
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th.tableblock.halign-left, td.tableblock.halign-left {
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text-align: left;
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}
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th.tableblock.halign-center, td.tableblock.halign-center {
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text-align: center;
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}
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th.tableblock.halign-right, td.tableblock.halign-right {
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text-align: right;
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}
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|
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th.tableblock.valign-top, td.tableblock.valign-top {
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vertical-align: top;
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}
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th.tableblock.valign-middle, td.tableblock.valign-middle {
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vertical-align: middle;
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}
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|
th.tableblock.valign-bottom, td.tableblock.valign-bottom {
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vertical-align: bottom;
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}
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|
|
|
|
/*
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* manpage specific
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|
*
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* */
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|
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body.manpage h1 {
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padding-top: 0.5em;
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padding-bottom: 0.5em;
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border-top: 2px solid silver;
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border-bottom: 2px solid silver;
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}
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body.manpage h2 {
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border-style: none;
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}
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body.manpage div.sectionbody {
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margin-left: 3em;
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}
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@media print {
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body.manpage div#toc { display: none; }
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}
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|
|
|
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</style>
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<script type="text/javascript">
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/*<+'])');
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// Function that scans the DOM tree for header elements (the DOM2
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// nodeIterator API would be a better technique but not supported by all
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// browsers).
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var iterate = function (el) {
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for (var i = el.firstChild; i != null; i = i.nextSibling) {
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if (i.nodeType == 1 /* Node.ELEMENT_NODE */) {
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var mo = re.exec(i.tagName);
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if (mo && (i.getAttribute("class") || i.getAttribute("className")) != "float") {
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result[result.length] = new TocEntry(i, getText(i), mo[1]-1);
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}
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iterate(i);
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}
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}
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|
}
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|
iterate(el);
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return result;
|
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}
|
|
|
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var toc = document.getElementById("toc");
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if (!toc) {
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return;
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}
|
|
|
|
// Delete existing TOC entries in case we're reloading the TOC.
|
|
var tocEntriesToRemove = [];
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var i;
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for (i = 0; i < toc.childNodes.length; i++) {
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var entry = toc.childNodes[i];
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|
if (entry.nodeName.toLowerCase() == 'div'
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&& entry.getAttribute("class")
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&& entry.getAttribute("class").match(/^toclevel/))
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tocEntriesToRemove.push(entry);
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}
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|
for (i = 0; i < tocEntriesToRemove.length; i++) {
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toc.removeChild(tocEntriesToRemove[i]);
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}
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|
|
|
// Rebuild TOC entries.
|
|
var entries = tocEntries(document.getElementById("content"), toclevels);
|
|
for (var i = 0; i < entries.length; ++i) {
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|
var entry = entries[i];
|
|
if (entry.element.id == "")
|
|
entry.element.id = "_toc_" + i;
|
|
var a = document.createElement("a");
|
|
a.href = "#" + entry.element.id;
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|
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</head>
|
|
<body class="manpage">
|
|
<div id="header">
|
|
<h1>
|
|
cset-set(1) Manual Page
|
|
</h1>
|
|
<h2>NAME</h2>
|
|
<div class="sectionbody">
|
|
<p>cset-set -
|
|
manage sets of cpus
|
|
</p>
|
|
</div>
|
|
</div>
|
|
<div id="content">
|
|
<div class="sect1">
|
|
<h2 id="_synopsis">SYNOPSIS</h2>
|
|
<div class="sectionbody">
|
|
<div class="verseblock">
|
|
<pre class="content"><em>cset</em> [cset options] <em>set</em> [set options] [args]
|
|
<em>cset</em> set --help
|
|
<em>cset</em> set
|
|
<em>cset</em> set --recurse
|
|
<em>cset</em> set --list myset
|
|
<em>cset</em> set myset
|
|
<em>cset</em> set --recurse --list myset
|
|
<em>cset</em> set --cpu 2-5 --mem 0 --set newset
|
|
<em>cset</em> set --cpu 2-5 newset
|
|
<em>cset</em> set --cpu 1,2,5-7 another_set
|
|
<em>cset</em> set --destroy newset
|
|
<em>cset</em> set --destroy /mygroup_sets/my_set</pre>
|
|
<div class="attribution">
|
|
</div></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_options">OPTIONS</h2>
|
|
<div class="sectionbody">
|
|
<div class="dlist"><dl>
|
|
<dt class="hdlist1">
|
|
-h, --help
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
prints the list of options for this command
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-l, --list
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
list the named cpuset(s); if -r is used, will list recursively
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-c CPUSPEC, --cpu=CPUSPEC
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
create or modify cpuset in the specified cpuset with CPUSPEC
|
|
specification
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-m MEMSPEC, --mem=MEMSPEC
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
specify which memory nodes to assign to the created or modified
|
|
cpuset
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-d, --destroy
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
destroy specified cpuset
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-s CPUSET, --set=CPUSET
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
specify cpuset name to be acted on
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-r, --recurse
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
do recursive listing, for use with --list
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-v, --verbose
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
prints more detailed output, for the set command, using this flag
|
|
will not chop listing to fit in 80 columns
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--cpu_exclusive
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
mark this cpuset as owning its CPUs exclusively
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--mem_exclusive
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
mark this cpuset as owning its MEMs exclusively
|
|
</p>
|
|
</dd>
|
|
</dl></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_description">DESCRIPTION</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>This command is used to create, modify, and destroy cpusets.
|
|
Cpusets form a tree-like structure rooted at the root cpuset
|
|
which always includes all system CPUs and all system memory
|
|
nodes.</p></div>
|
|
<div class="paragraph"><p>A cpuset is an organizational unit that defines a group of CPUs
|
|
and a group of memory nodes where a process or thread (i.e. task)
|
|
is allowed to run on. For non-NUMA machines, the memory node is
|
|
always 0 (zero) and cannot be set to anything else. For NUMA
|
|
machines, the memory node can be set to a similar specification
|
|
as the CPU definition and will tie those memory nodes to that
|
|
cpuset. You will usually want the memory nodes that belong to
|
|
the CPUs defined to be in the same cpuset.</p></div>
|
|
<div class="paragraph"><p>A cpuset can have exclusive right to the CPUs defined in it.
|
|
This means that only this cpuset can own these CPUs. Similarly,
|
|
a cpuset can have exclusive right to the memory nodes defined in
|
|
it. This means that only this cpuset can own these memory
|
|
nodes.</p></div>
|
|
<div class="paragraph"><p>Cpusets can be specified by name or by path; however, care
|
|
should be taken when specifying by name if the name is not
|
|
unique. This tool will generally not let you do destructive
|
|
things to non-unique cpuset names.</p></div>
|
|
<div class="paragraph"><p>Cpusets are uniquely specified by path. The path starts at where
|
|
the cpusets filesystem is mounted so you generally do not have to
|
|
know where that is. For example, so specify a cpuset that is
|
|
called "two" which is a subset of "one" which in turn is a subset
|
|
of the root cpuset, use the path "/one/two" regardless of where
|
|
the cpusets filesystem is mounted.</p></div>
|
|
<div class="paragraph"><p>When specifying CPUs, a so-called CPUSPEC is used. The CPUSPEC
|
|
will accept a comma-separated list of CPUs and inclusive range
|
|
specifications. For example, --cpu=1,3,5-7 will assign CPU1,
|
|
CPU3, CPU5, CPU6, and CPU7 to the specified cpuset.</p></div>
|
|
<div class="paragraph"><p>Note that cpusets follow certain rules. For example, children
|
|
can only include CPUs that the parents already have. If you do
|
|
not follow those rules, the kernel cpuset subsystem will not let
|
|
you create that cpuset. For example, if you create a cpuset that
|
|
contains CPU3, and then attempt to create a child of that cpuset
|
|
with a CPU other than 3, you will get an error, and the cpuset
|
|
will not be active. The error is somewhat cryptic in that it is
|
|
usually a "Permission denied" error.</p></div>
|
|
<div class="paragraph"><p>Memory nodes are specified with a MEMSPEC in a similar way to
|
|
the CPUSPEC. For example, --mem=1,3-6 will assign MEM1, MEM3,
|
|
MEM4, MEM5, and MEM6 to the specified cpuset.</p></div>
|
|
<div class="paragraph"><p>Note that if you attempt to create or modify a cpuset with a
|
|
memory node specification that is not valid, you may get a
|
|
cryptic error message, "No space left on device", and the
|
|
modification will not be allowed.</p></div>
|
|
<div class="paragraph"><p>When you destroy a cpuset, then the tasks running in that set are
|
|
moved to the parent of that cpuset. If this is not what you
|
|
want, then manually move those tasks to the cpuset of your choice
|
|
with the <em>cset proc</em> command (see <em>cset proc --help</em> for more
|
|
information).</p></div>
|
|
<div class="sect2">
|
|
<h3 id="_examples">EXAMPLES</h3>
|
|
<div class="dlist"><dl>
|
|
<dt class="hdlist1">
|
|
Create a cpuset with the default memory specification
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
<strong><code># cset set --cpu=2,4,6-8 --set=new_set</code></strong>
|
|
</p>
|
|
</dd>
|
|
</dl></div>
|
|
<div class="paragraph"><p>This command creates a cpuset called "new_set" located
|
|
off the root cpuset which holds CPUS 2,4,6,7,8 and node 0
|
|
(interleaved) memory. Note that --set is optional, and
|
|
you can just specify the name for the new cpuset after
|
|
all arguments.</p></div>
|
|
<div class="dlist"><dl>
|
|
<dt class="hdlist1">
|
|
Create a cpuset that specifies both CPUs and memory nodes
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
<strong><code># cset set --cpu=3 --mem=3 /rad/set_one</code></strong>
|
|
</p>
|
|
</dd>
|
|
</dl></div>
|
|
<div class="paragraph"><p>Note that this command uses the full path method to
|
|
specify the name of the new cpuset "/rad/set_one". It
|
|
also names the new cpuset implicitly (i.e. no --set
|
|
option, although you can use that if you want to). If
|
|
the "set_one" name is unique, you can subsequently refer
|
|
to is just by that. Memory node 3 is assigned to this
|
|
cpuset as well as CPU 3.</p></div>
|
|
<div class="paragraph"><p>The above commands will create the new cpusets, or if they
|
|
already exist, they will modify them to the new specifications.</p></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_license">LICENSE</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>Cpuset is licensed under the GNU GPL V2 only.</p></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_copyright">COPYRIGHT</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>Copyright (c) 2008-2011 Novell Inc.</p></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_author">AUTHOR</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>Written by Alex Tsariounov <tsariounov@gmail.com>.</p></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_see_also">SEE ALSO</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>cset(1), cset-proc(1), cset-shield(1)</p></div>
|
|
<div class="paragraph"><p>/usr/share/doc/packages/cpuset/html/tutorial.html</p></div>
|
|
<div class="paragraph"><p>taskset(1), chrt(1)</p></div>
|
|
<div class="paragraph"><p>/usr/src/linux/Documentation/cpusets.txt</p></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div id="footnotes"><hr /></div>
|
|
<div id="footer">
|
|
<div id="footer-text">
|
|
Version 1.5.6<br />
|
|
Last updated 2015-12-23 13:33:32 CET
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|