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204 lines
10 KiB
HTML
204 lines
10 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="user-scalable=no, width=device-width, maximum-scale=1, initial-scale=1">
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<title>1991</title>
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<link href="1991.css" type="text/css" rel="stylesheet">
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<link href="https://fonts.googleapis.com/css?family=Roboto+Mono:500,500i|Rubik+Mono+One" rel="stylesheet">
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<meta name="description" content="A server-side web framework written in Forth.">
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<meta name="keywords" content="1991, 1-9-9-1, 1QQ1, 1Q91, gforth, forth, web, framework, http, server, url">
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<link rel="shortcut icon" type="image/png" href="/favicon.png"/>
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</head>
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<body>
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<header>
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<h1 class="l1991">
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<span class="l l1">1</span><!--
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--><span class="l l9">9</span><!--
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--><span class="l l9">9</span><!--
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--><span class="l l1">1</span>
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</h1>
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<p>A server-side web framework written in Forth</p>
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</header>
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<main>
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<article>
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<section>
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<h1>World Wild Web</h1>
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<p>
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The year is 1991. The World Wide Web has just seen public release. <strong>1991</strong> looks to ease your interactions with the new web using cutting edge programming techniques in Forth (well, Gforth).
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</p>
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</section>
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<section>
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<h1>Logging In</h1>
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<p>
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Getting started in <strong>1991</strong> is easy.
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</p>
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<p>
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All you need to do is include <code>1991.fs</code> into your Forth source file. Next, you can define your public routes using the <code>/1991</code> word. Once your routes are all layed out, start the server using <code>1991:</code>.
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</p>
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<pre>
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\ app.fs
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\ Load 1991.
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include 1991.fs
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\ Define our route handlers.
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: handle-/ ( -- addr u )
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\ Any string returned by the handler
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\ will be output to the browser.
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s" Hello, 1991." ;
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\ Set up our routes.
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/1991 / handle-/
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\ Start the server on port 8080.
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8080 1991:
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</pre>
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<p>You can run the server using <code>gforth app.fs</code>.</p>
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<h2>Logging In II: Logging In, Deeper</h2>
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<h3>Route Wildcards (Fuzzy Routing / URL Mapping)</h3>
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<p>
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If you want to specify that some part of a route is a wildcard (accepts any value), then you can wrap some named value in <code><chevrons></code>. <strong>1991</strong> will accept any URL that matches your wildcard pattern, setting the internal value of whatever you place between the chevrons to whatever is actually requested.
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</p>
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<p>
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In the example below, <code><uid></code> specifies that we're willing to accept any (non-empty) value in its place which we'd like to access using the name <code>uid</code>.
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</p>
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<pre>
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\ wildcards.fs
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\ Load 1991.
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include 1991.fs
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\ Define our route handler.
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: handle-wildcard-route ( -- addr u )
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s" contents of the route request: " get-query-string s+ ;
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\ Set up our route.
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/1991 /users/<uid> handle-wildcard-route
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\ We can set up multiple wildcards too (must be slash-separated).
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/1991 /users/<uid>/posts/<pid> handle-wildcard-route
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\ Start server on port 8080.
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8080 1991:
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</pre>
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<p>
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All wildcards are treated similar to query string arguments. As such, wildcards can be retrieved using <code>get-query-string</code>.
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</p>
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<p>
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In the example above, visiting <code>http://localhost:8080/users/urlysses</code> will result in the following query string: <code>uid=urlysses</code>.
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<h3>File Serving</h3>
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<p>
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Use a <code>public/</code> directory to act as a basic fileserver.
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Whenever a requested URL doesn't resolve through the registered routes, <strong>1991</strong> will attempt to find the requested route within your specified public directory.
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</p>
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<pre>
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\ public.fs
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\ Load 1991.
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include 1991.fs
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\ Specify the location of our public directory.
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\ Anything in the public/ directory within the
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\ same dir as this source file will resolve.
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\ You can change "public" to anything you want
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\ as long as it matches your directory name.
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sourcedir s" public" s+ set-public-path
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\ We can set mimetypes using the `filetype:` word.
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\ In the case below, we want .mp4 files to be served
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\ with the content-type video/mp4.
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s" video/mp4" filetype: mp4
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\ Start the server on port 8080.
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8080 1991:
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</pre>
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<p>
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In the above example, If we have a file <code>public/my-video.mp4</code>, then it will be available through <code>http://localhost:8080/my-video.mp4</code>.
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</p>
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<h3>Views</h3>
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<p>
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<strong>1991</strong> offers basic templating through views.
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</p>
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<p>
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In order to get started, you should specify the <code>views/</code> path. Notice the trailing slash, which differs from how we define <code>public</code>.
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</p>
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<p>
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Once you've specified your views/ directory, you can write views/ files to it. This can be any kind of file, honestly. The benefit offered by views/ is the ability to use basic templating. You can write any valid Forth code within opening (<code><$ </code>) and closing (<code> $></code>) tags. Additionally, you can use the <code>import</code> word to import other views into your view.
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</p>
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<pre>
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\ views.fs
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\ Load 1991.
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include 1991.fs
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\ Specify the location of our views directory.
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sourcedir s" views/" s+ set-view-path
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\ Define some words we'll use within
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\ our view.
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: page-title ( -- addr u )
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s" Dynamic page title" ;
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: ten-lines ( -- )
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10 0 do
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s" line " i s>d <# #s #> s+
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s" <br>" s+
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$type
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loop ;
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\ Use render-view to output the contents
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\ of a file in the views/ directory.
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: handle-/
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s" v-index.html" render-view ;
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/1991 / handle-/
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\ Start the server on port 8080.
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8080 1991:
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</pre>
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<pre>
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\ views/index.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title><$ page-title $type $></title>
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</head>
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<body>
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<$ ten-lines $>
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<$ s" imported-view.html" import $>
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</body>
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</html>
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</pre>
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<pre>
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\ views/imported-view.html
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It's possible to import view files from within other view files. This is from <code>views/imported-view.html</code>
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</pre>
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</section>
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<section>
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<h1>Wait, what?</h1>
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<h2>Why is <code>1991:</code> post-fix when <code>/1991</code> is pre-fix?</h2>
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<p>
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Forth is a (mostly) post-fix notation language. So, for example, you'd write two plus two as <code>2 2 +</code>. This is the language's natural and immediate notation. Along those lines, <code>1991:</code> is an immediate word——running it results in immediate action. As such, we use Forth's post-fix notation to set the port and start the server immediately. Alternately, <code>/1991</code> doesn't exactly have immediate effect per se. All it does is tell <strong>1991</strong> that any request to <code>/path</code> should be handled by <code>path-handler</code>. As such, we opt to write non-immediate code using pre-fix notation.
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</p>
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<h2>You're using Gforth, which came out in 1992. Also, it's 2017.</h2>
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<p>Okay. But Fredric Jameson establishes that in postmodernism we have experienced a weakening sense of historisity such that what is, what was, and what will be all exist as presents in time. <a href="https://en.wikipedia.org/wiki/Forth_(programming_language)#History">1970</a>, <a href="https://groups.google.com/forum/#!msg/alt.hypertext/eCTkkOoWTAY/bJGhZyooXzkJ">1991</a>, <a href="https://en.wikipedia.org/wiki/Gforth#History">1992</a>, and <a href=".">2017</a> all happen simultaneously. Hence developers working on new projects while still coding in decades-old text editors. They write the future in the past and are made present in so doing.</p>
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</section>
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</article>
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</main>
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<footer>
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<h1 class="l1991">
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<span class="l l1">1</span><!--
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--><span class="l l9">9</span><!--
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--><span class="l l9">9</span><!--
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--><span class="l l1">1</span>
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</h1>
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<br>
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<nav>
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<a class="gh" href="https://www.github.com/urlysses/1991"><svg width="100%" height="100%" viewBox="0 0 33 32" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:1.41421;"><rect x="0" y="0" width="32.579" height="31.775" style="fill:none;"/><><path d="M16.288,0c-8.995,0 -16.288,7.293 -16.288,16.29c0,7.197 4.667,13.302 11.14,15.457c0.815,0.149 1.112,-0.354 1.112,-0.786c0,-0.386 -0.014,-1.411 -0.022,-2.77c-4.531,0.984 -5.487,-2.184 -5.487,-2.184c-0.741,-1.881 -1.809,-2.382 -1.809,-2.382c-1.479,-1.011 0.112,-0.991 0.112,-0.991c1.635,0.116 2.495,1.679 2.495,1.679c1.453,2.489 3.813,1.77 4.741,1.354c0.148,-1.053 0.568,-1.771 1.034,-2.178c-3.617,-0.411 -7.42,-1.809 -7.42,-8.051c0,-1.778 0.635,-3.232 1.677,-4.371c-0.168,-0.412 -0.727,-2.068 0.159,-4.311c0,0 1.368,-0.438 4.48,1.67c1.299,-0.361 2.693,-0.542 4.078,-0.548c1.383,0.006 2.777,0.187 4.078,0.548c3.11,-2.108 4.475,-1.67 4.475,-1.67c0.889,2.243 0.33,3.899 0.162,4.311c1.044,1.139 1.675,2.593 1.675,4.371c0,6.258 -3.809,7.635 -7.438,8.038c0.585,0.503 1.106,1.497 1.106,3.017c0,2.177 -0.02,3.934 -0.02,4.468c0,0.436 0.293,0.943 1.12,0.784c6.468,-2.159 11.131,-8.26 11.131,-15.455c0,-8.997 -7.294,-16.29 -16.291,-16.29"/></g></svg></a>
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<a class="url" href="http://www.urlysses.com"></a>
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</nav>
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</footer>
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<a class="fork" href="https://www.github.com/urlysses/1991">GET 1991</a>
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<script type="text/javascript" src="1991.js"></script>
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