363 lines
12 KiB
HTML
363 lines
12 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<link rel="stylesheet" href="../../../static/styles.css?h=ca3aba42">
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<link rel="stylesheet" href="../../../static/pygments.css">
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<link rel="shortcut icon" href="../../../static/favicon.png?h=fa09bedd">
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<title>Paths | Documentation | Lektor Static Content Management System</title>
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</head>
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<body class="default">
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<nav class="navbar navbar-inverse navbar-static-top">
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<div class="container">
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<button type="button" class="navbar-toggle collapsed"
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data-toggle="collapse" data-target="#navbar"
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aria-expanded="false" aria-controls="navbar">
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<span class="sr-only">Toggle navigation</span>
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<span class="icon-bar"></span>
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<span class="icon-bar"></span>
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<span class="icon-bar"></span>
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</button>
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<a class="navbar-brand" href="../../../">Lektor</a>
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</div>
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<div id="navbar" class="collapse navbar-collapse">
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<ul class="nav navbar-nav">
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<li><a href="../../../downloads/">Download</a></li>
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<li class="active"><a href="../../">Documentation</a></li>
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<li><a href="../../../showcase/">Showcase</a></li>
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<li><a href="../../../plugins/">Plugins</a></li>
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<li><a href="../../../community/">Community</a></li>
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<li><a href="../../../blog/">Blog</a></li>
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</ul>
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</div>
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</div>
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</nav>
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<div class="body-wrapper">
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<div class="container">
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<div class="row">
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<div class="col-sm-3">
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<ul class="tree-nav nocontent">
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<li><a href="../../">Welcome</a></li>
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<li><a href="../../what/">What is Lektor</a>
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<li><a href="../../installation/">Installation</a>
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<li><a href="../../quickstart/">Quickstart</a>
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<li><a href="../../project/">Project</a>
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<li><a href="../">Content</a>
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<ul>
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<li><a href="../alts/">Alternatives</a>
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<li><a href="../attachments/">Attachments</a>
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<li><a href="../databags/">Data Bags</a>
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<li><a href="../flow/">Flow</a>
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<li class="active"><a href="./">Paths</a>
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<ul></ul>
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<li><a href="../system-fields/">System Fields</a>
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<li><a href="../urls/">URLs and Slugs</a>
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</ul>
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<li><a href="../../templates/">Templates</a>
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<li><a href="../../themes/">Themes</a>
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<li><a href="../../guides/">Guides</a>
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<li><a href="../../deployment/">Deployment</a>
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<li><a href="../../plugins/">Plugins</a>
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<li><a href="../../models/">Data Modelling</a>
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<li><a href="../../cli/">Command Line</a>
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<li><a href="../../api/">API</a>
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<li><a href="../../search/">Search</a>
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</ul>
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<div class="visible-md-block visible-lg-block">
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<h4>This Page</h4>
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<ul class="toc">
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<li><a href="#what-is-a-path">What is a Path</a></li>
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<li><a href="#virtual-paths">Virtual Paths</a></li>
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<li><a href="#relative-paths">Relative Paths</a></li>
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<li><a href="#alternatives-and-paths">Alternatives and Paths</a></li>
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</ul>
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</div>
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</div>
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<div class="col-sm-9 doc-styling">
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<h1>Paths</h1>
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<ul class=page-meta>
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</ul>
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<div class="admonition admonition-info"><p>This refers mostly to Lektor 2.0. If you are using an older version of
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Lektor the virtual path feature is not implemented yet and a lot of this just
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does not apply.</p></div><p>Lektor attempts to map the paths from the content folder as closely as possible
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to the final URLs (at least in the default configuration). There are various
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ways in which this can be customized (see <a href="../urls/" class="ref">URLs and Slugs</a>) and
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there are situations in which Lektor needs to render out content that does not
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actually directly correspond to a path on the file system.</p>
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<p>Here we try to explain how the path system in Lektor works and what it means.</p>
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<h2 id="what-is-a-path">What is a Path</h2><p>A path in Lektor is a string that uniquely identifies a <a href="../../api/db/obj/" class="ref">Source Object</a>. For the most part these directly point to
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<code>content.lr</code> files or attachments therein. These paths always use forward
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slashes, no matter on which platform Lektor runs. So for instance if you
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have a file named <code>projects/my-project/contents.lr</code> then the path for this
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record will be <code>/projects/my-project</code>. Thereby it does not matter if the
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slug or final URL was changed, the path is always the same.</p>
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<p>Lektor uses paths to refer to records by default in all cases. This means that
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if you use the <a href="../../api/templates/filters/url/" class="ref">url filter</a> for instance
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it will operate on paths and not URLs!</p>
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<p>But what about sources that do not directly correspond to something on the
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file system? This is where virtual paths come in. Virtual paths are
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separated from physical paths with an at (<code>@</code>) sign. Virtual paths are always
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attached to a record and point to things that are not actually coming from the
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content folder but something else.</p>
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<p>Virtual paths are for instance used to refer to paginated pages or to some
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resources that plugins add.</p>
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<h2 id="virtual-paths">Virtual Paths</h2><p>Virtual paths are added behind physical paths and are separated by an at
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sign (<code>@</code>). The only virtual path that is supported by Lektor out of the box
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is the special numeric virtual path which can be used to refer to specific
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pages for a pagination. For instance <code>/blog@1</code> refers to the first page of
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the <code>blog</code> page, <code>/blog@2</code> to the second etc. There are however plugins that
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add virtual paths to refer to their own resources. For instance a plugin can
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register <code>/blog@feed</code> to refer to a RSS/Atom feed for the blog.</p>
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<h2 id="relative-paths">Relative Paths</h2><p>Now that we talked a bit about paths, we should probably cover how relative
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paths work. Relative paths work similar to how you expect them to work on
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most operating systems but they can operate on the virtual as well as the
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physical path. There is also some special behavior with regards to the numeric
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virtual path for pagination.</p>
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<p>For the most part <code>.</code> refers to the same page and <code>..</code> refers to the page one
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level up. If you use a path that just contains of a virtual path, then it's
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attached to the current page to replace the active virtual path.</p>
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<table>
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<thead><tr>
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<th>Current</th>
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<th>Relative</th>
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<th>Result</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>/blog</code></td>
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<td><code>..</code></td>
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<td><code>/</code></td>
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</tr>
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<tr>
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<td><code>/blog</code></td>
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<td><code>.</code></td>
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<td><code>/blog</code></td>
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</tr>
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<tr>
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<td><code>/blog/post</code></td>
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<td><code>..</code></td>
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<td><code>/blog</code></td>
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</tr>
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<tr>
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<td><code>/blog</code></td>
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<td><code>@2</code></td>
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<td><code>/blog@2</code></td>
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</tr>
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<tr>
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<td><code>/blog@2</code></td>
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<td><code>@1</code></td>
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<td><code>/blog@1</code></td>
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</tr>
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<tr>
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<td><code>/blog@feed</code></td>
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<td><code>recent</code></td>
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<td><code>/blog@feed/recent</code></td>
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</tr>
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<tr>
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<td><code>/blog@feed</code></td>
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<td><code>..</code></td>
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<td><code>/blog@feed</code></td>
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</tr>
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</tbody>
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</table>
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<p>However! The numeric path is special with regards because it's considered to
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belong to the current page:</p>
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<table>
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<thead><tr>
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<th>Current</th>
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<th>Relative</th>
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<th>Result</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>/blog@2</code></td>
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<td><code>.</code></td>
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<td><code>/blog@2</code></td>
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</tr>
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<tr>
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<td><code>/blog@2</code></td>
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<td><code>..</code></td>
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<td><code>/</code></td>
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</tr>
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</tbody>
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</table>
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<h2 id="alternatives-and-paths">Alternatives and Paths</h2><p>If you have used Lektor a bit you might be wondering how <a href="../alts/" class="ref">Alternatives</a> work with paths. The answer might be surprising but it's
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basically that they don't really work with paths. Alternatives are
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implemented on a level higher than paths. If you have a page that exists
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in both German and English alternative then they will have the same path.
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The alternative code is supplied separately.</p>
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<p>This is done so that you can later start introducing alternatives to sites
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that were never aware of them without having to go everywhere and start
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passing alternative information around. While there are indeed some places
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where you might have to perform some changes (especially if you perform
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manual queries in the templates) for the most part adding alternatives to an
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existing site later is a trivial matter.</p>
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<div class="comment-box">
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<h2>Comments</h2>
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<div id="disqus_thread"></div>
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<script>
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var disqus_config = function() { this.page.identifier = "/docs/content/paths"; this.page.url = "https://www.getlektor.com/docs/content/paths/"; };
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(function() {
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var d = document, s = d.createElement('script');
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s.src = '//lektordocumentation.disqus.com/embed.js';
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s.setAttribute('data-timestamp', +new Date());
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(d.head || d.body).appendChild(s);
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})();
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</script>
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<noscript>
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Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript"
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rel="nofollow">comments powered by Disqus.</a>
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</div>
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</div>
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</div>
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</div>
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<div class="bottomsummary">
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<div class="container">
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<footer>
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<div class="container">
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<div class="row">
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<div class="col-sm-4 icon-bar">
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<a href="https://github.com/lektor/lektor/" title="Lektor on GitHub"
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><i class="fa fa-github"></i></a>
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<a href="https://github.com/lektor/lektor/issues/" title="Report Issues for Lektor"
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><i class="fa fa-bug"></i></a>
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<a href="https://github.com/lektor/lektor-website/tree/master/content/docs/content/paths/contents.lr" title="View source for this page"><i class="fa fa-code"></i></a>
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<div class="col-sm-8">
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<a href="../../../license/">License & Copyright</a> •
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<a href="../../../contact/">Contact</a> •
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Made with <i class="fa fa-fw fa-heart" title="Heart"><span hidden>Heart</span></i> in Carinthia
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<script>
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