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1281 lines
35 KiB
HTML
1281 lines
35 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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<!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 9.1.0" />
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<title>git-cat-file(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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pre {
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white-space: pre-wrap;
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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; vertical-align: text-bottom; }
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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 overridden 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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|
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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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* manpage specific
|
|
*
|
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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;
|
|
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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|
|
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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>
|
|
<script type="text/javascript">
|
|
/*<![CDATA[*/
|
|
var asciidoc = { // Namespace.
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
// Table Of Contents generator
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
/* Author: Mihai Bazon, September 2002
|
|
* http://students.infoiasi.ro/~mishoo
|
|
*
|
|
* Table Of Content generator
|
|
* Version: 0.4
|
|
*
|
|
* Feel free to use this script under the terms of the GNU General Public
|
|
* License, as long as you do not remove or alter this notice.
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*/
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|
|
/* modified by Troy D. Hanson, September 2006. License: GPL */
|
|
/* modified by Stuart Rackham, 2006, 2009. License: GPL */
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|
|
// toclevels = 1..4.
|
|
toc: function (toclevels) {
|
|
|
|
function getText(el) {
|
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var text = "";
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for (var i = el.firstChild; i != null; i = i.nextSibling) {
|
|
if (i.nodeType == 3 /* Node.TEXT_NODE */) // IE doesn't speak constants.
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text += i.data;
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else if (i.firstChild != null)
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text += getText(i);
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}
|
|
return text;
|
|
}
|
|
|
|
function TocEntry(el, text, toclevel) {
|
|
this.element = el;
|
|
this.text = text;
|
|
this.toclevel = toclevel;
|
|
}
|
|
|
|
function tocEntries(el, toclevels) {
|
|
var result = new Array;
|
|
var re = new RegExp('[hH]([1-'+(toclevels+1)+'])');
|
|
// Function that scans the DOM tree for header elements (the DOM2
|
|
// nodeIterator API would be a better technique but not supported by all
|
|
// browsers).
|
|
var iterate = function (el) {
|
|
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|
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/////////////////////////////////////////////////////////////////////
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/* Based on footnote generation code from:
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* http://www.brandspankingnew.net/archive/2005/07/format_footnote.html
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|
*/
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|
|
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var entry = noteholder.childNodes[i];
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// Because JavaScript has no s (dotall) regex flag.
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"' title='View footnote' class='footnote'>" + n + "</a>]";
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noteholder.innerHTML +=
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"<div class='footnote' id='_footnote_" + n + "'>" +
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"<a href='#_footnoteref_" + n + "' title='Return to text'>" +
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n + "</a>. " + note + "</div>";
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"[<a href='#_footnote_" + n +
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"' title='View footnote' class='footnote'>" + n + "</a>]";
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|
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|
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|
|
|
|
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var timerId;
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function reinstall() {
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asciidoc.footnotes();
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|
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|
|
|
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|
|
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|
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|
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|
|
window.onload = reinstallAndRemoveTimer;
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|
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|
|
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|
|
asciidoc.install();
|
|
/*]]>*/
|
|
</script>
|
|
</head>
|
|
<body class="manpage">
|
|
<div id="header">
|
|
<h1>
|
|
git-cat-file(1) Manual Page
|
|
</h1>
|
|
<h2>NAME</h2>
|
|
<div class="sectionbody">
|
|
<p>git-cat-file -
|
|
Provide content or type and size information for repository objects
|
|
</p>
|
|
</div>
|
|
</div>
|
|
<div id="content">
|
|
<div class="sect1">
|
|
<h2 id="_synopsis">SYNOPSIS</h2>
|
|
<div class="sectionbody">
|
|
<div class="verseblock">
|
|
<pre class="content"><em>git cat-file</em> <type> <object>
|
|
<em>git cat-file</em> (-e | -p) <object>
|
|
<em>git cat-file</em> (-t | -s) [--allow-unknown-type] <object>
|
|
<em>git cat-file</em> (--batch | --batch-check | --batch-command) [--batch-all-objects]
|
|
[--buffer] [--follow-symlinks] [--unordered]
|
|
[--textconv | --filters] [-z]
|
|
<em>git cat-file</em> (--textconv | --filters)
|
|
[<rev>:<path|tree-ish> | --path=<path|tree-ish> <rev>]</pre>
|
|
<div class="attribution">
|
|
</div></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_description">DESCRIPTION</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>In its first form, the command provides the content or the type of an object in
|
|
the repository. The type is required unless <code>-t</code> or <code>-p</code> is used to find the
|
|
object type, or <code>-s</code> is used to find the object size, or <code>--textconv</code> or
|
|
<code>--filters</code> is used (which imply type "blob").</p></div>
|
|
<div class="paragraph"><p>In the second form, a list of objects (separated by linefeeds) is provided on
|
|
stdin, and the SHA-1, type, and size of each object is printed on stdout. The
|
|
output format can be overridden using the optional <code><format></code> argument. If
|
|
either <code>--textconv</code> or <code>--filters</code> was specified, the input is expected to
|
|
list the object names followed by the path name, separated by a single
|
|
whitespace, so that the appropriate drivers can be determined.</p></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_options">OPTIONS</h2>
|
|
<div class="sectionbody">
|
|
<div class="dlist"><dl>
|
|
<dt class="hdlist1">
|
|
<object>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
The name of the object to show.
|
|
For a more complete list of ways to spell object names, see
|
|
the "SPECIFYING REVISIONS" section in <a href="gitrevisions.html">gitrevisions(7)</a>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-t
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Instead of the content, show the object type identified by
|
|
<code><object></code>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-s
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Instead of the content, show the object size identified by
|
|
<code><object></code>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-e
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Exit with zero status if <code><object></code> exists and is a valid
|
|
object. If <code><object></code> is of an invalid format exit with non-zero and
|
|
emits an error on stderr.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-p
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Pretty-print the contents of <code><object></code> based on its type.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
<type>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Typically this matches the real type of <code><object></code> but asking
|
|
for a type that can trivially be dereferenced from the given
|
|
<code><object></code> is also permitted. An example is to ask for a
|
|
"tree" with <code><object></code> being a commit object that contains it,
|
|
or to ask for a "blob" with <code><object></code> being a tag object that
|
|
points at it.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--[no-]mailmap
|
|
</dt>
|
|
<dt class="hdlist1">
|
|
--[no-]use-mailmap
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Use mailmap file to map author, committer and tagger names
|
|
and email addresses to canonical real names and email addresses.
|
|
See <a href="git-shortlog.html">git-shortlog(1)</a>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--textconv
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Show the content as transformed by a textconv filter. In this case,
|
|
<code><object></code> has to be of the form <code><tree-ish>:<path></code>, or <code>:<path></code> in
|
|
order to apply the filter to the content recorded in the index at
|
|
<code><path></code>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--filters
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Show the content as converted by the filters configured in
|
|
the current working tree for the given <code><path></code> (i.e. smudge filters,
|
|
end-of-line conversion, etc). In this case, <code><object></code> has to be of
|
|
the form <code><tree-ish>:<path></code>, or <code>:<path></code>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--path=<path>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
For use with <code>--textconv</code> or <code>--filters</code>, to allow specifying an object
|
|
name and a path separately, e.g. when it is difficult to figure out
|
|
the revision from which the blob came.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--batch
|
|
</dt>
|
|
<dt class="hdlist1">
|
|
--batch=<format>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Print object information and contents for each object provided
|
|
on stdin. May not be combined with any other options or arguments
|
|
except <code>--textconv</code> or <code>--filters</code>, in which case the input lines
|
|
also need to specify the path, separated by whitespace. See the
|
|
section <code>BATCH OUTPUT</code> below for details.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--batch-check
|
|
</dt>
|
|
<dt class="hdlist1">
|
|
--batch-check=<format>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Print object information for each object provided on stdin. May
|
|
not be combined with any other options or arguments except
|
|
<code>--textconv</code> or <code>--filters</code>, in which case the input lines also
|
|
need to specify the path, separated by whitespace. See the
|
|
section <code>BATCH OUTPUT</code> below for details.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--batch-command
|
|
</dt>
|
|
<dt class="hdlist1">
|
|
--batch-command=<format>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Enter a command mode that reads commands and arguments from stdin. May
|
|
only be combined with <code>--buffer</code>, <code>--textconv</code> or <code>--filters</code>. In the
|
|
case of <code>--textconv</code> or <code>--filters</code>, the input lines also need to specify
|
|
the path, separated by whitespace. See the section <code>BATCH OUTPUT</code> below
|
|
for details.
|
|
</p>
|
|
<div class="paragraph"><p><code>--batch-command</code> recognizes the following commands:</p></div>
|
|
<div class="openblock">
|
|
<div class="content">
|
|
<div class="dlist"><dl>
|
|
<dt class="hdlist1">
|
|
contents <object>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Print object contents for object reference <code><object></code>. This corresponds to
|
|
the output of <code>--batch</code>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
info <object>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Print object info for object reference <code><object></code>. This corresponds to the
|
|
output of <code>--batch-check</code>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
flush
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Used with <code>--buffer</code> to execute all preceding commands that were issued
|
|
since the beginning or since the last flush was issued. When <code>--buffer</code>
|
|
is used, no output will come until a <code>flush</code> is issued. When <code>--buffer</code>
|
|
is not used, commands are flushed each time without issuing <code>flush</code>.
|
|
</p>
|
|
</dd>
|
|
</dl></div>
|
|
</div></div>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--batch-all-objects
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Instead of reading a list of objects on stdin, perform the
|
|
requested batch operation on all objects in the repository and
|
|
any alternate object stores (not just reachable objects).
|
|
Requires <code>--batch</code> or <code>--batch-check</code> be specified. By default,
|
|
the objects are visited in order sorted by their hashes; see
|
|
also <code>--unordered</code> below. Objects are presented as-is, without
|
|
respecting the "replace" mechanism of <a href="git-replace.html">git-replace(1)</a>.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--buffer
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Normally batch output is flushed after each object is output, so
|
|
that a process can interactively read and write from
|
|
<code>cat-file</code>. With this option, the output uses normal stdio
|
|
buffering; this is much more efficient when invoking
|
|
<code>--batch-check</code> or <code>--batch-command</code> on a large number of objects.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--unordered
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
When <code>--batch-all-objects</code> is in use, visit objects in an
|
|
order which may be more efficient for accessing the object
|
|
contents than hash order. The exact details of the order are
|
|
unspecified, but if you do not require a specific order, this
|
|
should generally result in faster output, especially with
|
|
<code>--batch</code>. Note that <code>cat-file</code> will still show each object
|
|
only once, even if it is stored multiple times in the
|
|
repository.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--allow-unknown-type
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Allow <code>-s</code> or <code>-t</code> to query broken/corrupt objects of unknown type.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
--follow-symlinks
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
With <code>--batch</code> or <code>--batch-check</code>, follow symlinks inside the
|
|
repository when requesting objects with extended SHA-1
|
|
expressions of the form tree-ish:path-in-tree. Instead of
|
|
providing output about the link itself, provide output about
|
|
the linked-to object. If a symlink points outside the
|
|
tree-ish (e.g. a link to <code>/foo</code> or a root-level link to <code>../foo</code>),
|
|
the portion of the link which is outside the tree will be
|
|
printed.
|
|
</p>
|
|
<div class="paragraph"><p>This option does not (currently) work correctly when an object in the
|
|
index is specified (e.g. <code>:link</code> instead of <code>HEAD:link</code>) rather than
|
|
one in the tree.</p></div>
|
|
<div class="paragraph"><p>This option cannot (currently) be used unless <code>--batch</code> or
|
|
<code>--batch-check</code> is used.</p></div>
|
|
<div class="paragraph"><p>For example, consider a git repository containing:</p></div>
|
|
<div class="openblock">
|
|
<div class="content">
|
|
<div class="literalblock">
|
|
<div class="content">
|
|
<pre><code>f: a file containing "hello\n"
|
|
link: a symlink to f
|
|
dir/link: a symlink to ../f
|
|
plink: a symlink to ../f
|
|
alink: a symlink to /etc/passwd</code></pre>
|
|
</div></div>
|
|
</div></div>
|
|
<div class="paragraph"><p>For a regular file <code>f</code>, <code>echo HEAD:f | git cat-file --batch</code> would print</p></div>
|
|
<div class="openblock">
|
|
<div class="content">
|
|
<div class="literalblock">
|
|
<div class="content">
|
|
<pre><code>ce013625030ba8dba906f756967f9e9ca394464a blob 6</code></pre>
|
|
</div></div>
|
|
</div></div>
|
|
<div class="paragraph"><p>And <code>echo HEAD:link | git cat-file --batch --follow-symlinks</code> would
|
|
print the same thing, as would <code>HEAD:dir/link</code>, as they both point at
|
|
<code>HEAD:f</code>.</p></div>
|
|
<div class="paragraph"><p>Without <code>--follow-symlinks</code>, these would print data about the symlink
|
|
itself. In the case of <code>HEAD:link</code>, you would see</p></div>
|
|
<div class="openblock">
|
|
<div class="content">
|
|
<div class="literalblock">
|
|
<div class="content">
|
|
<pre><code>4d1ae35ba2c8ec712fa2a379db44ad639ca277bd blob 1</code></pre>
|
|
</div></div>
|
|
</div></div>
|
|
<div class="paragraph"><p>Both <code>plink</code> and <code>alink</code> point outside the tree, so they would
|
|
respectively print:</p></div>
|
|
<div class="openblock">
|
|
<div class="content">
|
|
<div class="literalblock">
|
|
<div class="content">
|
|
<pre><code>symlink 4
|
|
../f</code></pre>
|
|
</div></div>
|
|
<div class="literalblock">
|
|
<div class="content">
|
|
<pre><code>symlink 11
|
|
/etc/passwd</code></pre>
|
|
</div></div>
|
|
</div></div>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
-z
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
Only meaningful with <code>--batch</code>, <code>--batch-check</code>, or
|
|
<code>--batch-command</code>; input is NUL-delimited instead of
|
|
newline-delimited.
|
|
</p>
|
|
</dd>
|
|
</dl></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_output">OUTPUT</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>If <code>-t</code> is specified, one of the <code><type></code>.</p></div>
|
|
<div class="paragraph"><p>If <code>-s</code> is specified, the size of the <code><object></code> in bytes.</p></div>
|
|
<div class="paragraph"><p>If <code>-e</code> is specified, no output, unless the <code><object></code> is malformed.</p></div>
|
|
<div class="paragraph"><p>If <code>-p</code> is specified, the contents of <code><object></code> are pretty-printed.</p></div>
|
|
<div class="paragraph"><p>If <code><type></code> is specified, the raw (though uncompressed) contents of the <code><object></code>
|
|
will be returned.</p></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_batch_output">BATCH OUTPUT</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>If <code>--batch</code> or <code>--batch-check</code> is given, <code>cat-file</code> will read objects
|
|
from stdin, one per line, and print information about them. By default,
|
|
the whole line is considered as an object, as if it were fed to
|
|
<a href="git-rev-parse.html">git-rev-parse(1)</a>.</p></div>
|
|
<div class="paragraph"><p>When <code>--batch-command</code> is given, <code>cat-file</code> will read commands from stdin,
|
|
one per line, and print information based on the command given. With
|
|
<code>--batch-command</code>, the <code>info</code> command followed by an object will print
|
|
information about the object the same way <code>--batch-check</code> would, and the
|
|
<code>contents</code> command followed by an object prints contents in the same way
|
|
<code>--batch</code> would.</p></div>
|
|
<div class="paragraph"><p>You can specify the information shown for each object by using a custom
|
|
<code><format></code>. The <code><format></code> is copied literally to stdout for each
|
|
object, with placeholders of the form <code>%(atom)</code> expanded, followed by a
|
|
newline. The available atoms are:</p></div>
|
|
<div class="dlist"><dl>
|
|
<dt class="hdlist1">
|
|
<code>objectname</code>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
The full hex representation of the object name.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
<code>objecttype</code>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
The type of the object (the same as <code>cat-file -t</code> reports).
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
<code>objectsize</code>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
The size, in bytes, of the object (the same as <code>cat-file -s</code>
|
|
reports).
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
<code>objectsize:disk</code>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
The size, in bytes, that the object takes up on disk. See the
|
|
note about on-disk sizes in the <code>CAVEATS</code> section below.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
<code>deltabase</code>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
If the object is stored as a delta on-disk, this expands to the
|
|
full hex representation of the delta base object name.
|
|
Otherwise, expands to the null OID (all zeroes). See <code>CAVEATS</code>
|
|
below.
|
|
</p>
|
|
</dd>
|
|
<dt class="hdlist1">
|
|
<code>rest</code>
|
|
</dt>
|
|
<dd>
|
|
<p>
|
|
If this atom is used in the output string, input lines are split
|
|
at the first whitespace boundary. All characters before that
|
|
whitespace are considered to be the object name; characters
|
|
after that first run of whitespace (i.e., the "rest" of the
|
|
line) are output in place of the <code>%(rest)</code> atom.
|
|
</p>
|
|
</dd>
|
|
</dl></div>
|
|
<div class="paragraph"><p>If no format is specified, the default format is <code>%(objectname)
|
|
%(objecttype) %(objectsize)</code>.</p></div>
|
|
<div class="paragraph"><p>If <code>--batch</code> is specified, or if <code>--batch-command</code> is used with the <code>contents</code>
|
|
command, the object information is followed by the object contents (consisting
|
|
of <code>%(objectsize)</code> bytes), followed by a newline.</p></div>
|
|
<div class="paragraph"><p>For example, <code>--batch</code> without a custom format would produce:</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code><oid> SP <type> SP <size> LF
|
|
<contents> LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>Whereas <code>--batch-check='%(objectname) %(objecttype)'</code> would produce:</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code><oid> SP <type> LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>If a name is specified on stdin that cannot be resolved to an object in
|
|
the repository, then <code>cat-file</code> will ignore any custom format and print:</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code><object> SP missing LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>If a name is specified that might refer to more than one object (an ambiguous short sha), then <code>cat-file</code> will ignore any custom format and print:</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code><object> SP ambiguous LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>If <code>--follow-symlinks</code> is used, and a symlink in the repository points
|
|
outside the repository, then <code>cat-file</code> will ignore any custom format
|
|
and print:</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code>symlink SP <size> LF
|
|
<symlink> LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>The symlink will either be absolute (beginning with a <code>/</code>), or relative
|
|
to the tree root. For instance, if dir/link points to <code>../../foo</code>, then
|
|
<code><symlink></code> will be <code>../foo</code>. <code><size></code> is the size of the symlink in bytes.</p></div>
|
|
<div class="paragraph"><p>If <code>--follow-symlinks</code> is used, the following error messages will be
|
|
displayed:</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code><object> SP missing LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>is printed when the initial symlink requested does not exist.</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code>dangling SP <size> LF
|
|
<object> LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>is printed when the initial symlink exists, but something that
|
|
it (transitive-of) points to does not.</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code>loop SP <size> LF
|
|
<object> LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>is printed for symlink loops (or any symlinks that
|
|
require more than 40 link resolutions to resolve).</p></div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre><code>notdir SP <size> LF
|
|
<object> LF</code></pre>
|
|
</div></div>
|
|
<div class="paragraph"><p>is printed when, during symlink resolution, a file is used as a
|
|
directory name.</p></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_caveats">CAVEATS</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>Note that the sizes of objects on disk are reported accurately, but care
|
|
should be taken in drawing conclusions about which refs or objects are
|
|
responsible for disk usage. The size of a packed non-delta object may be
|
|
much larger than the size of objects which delta against it, but the
|
|
choice of which object is the base and which is the delta is arbitrary
|
|
and is subject to change during a repack.</p></div>
|
|
<div class="paragraph"><p>Note also that multiple copies of an object may be present in the object
|
|
database; in this case, it is undefined which copy’s size or delta base
|
|
will be reported.</p></div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="_git">GIT</h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div id="footnotes"><hr /></div>
|
|
<div id="footer">
|
|
<div id="footer-text">
|
|
Last updated
|
|
2022-09-16 17:50:33 PDT
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|