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309 lines
11 KiB
HTML
309 lines
11 KiB
HTML
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<head>
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<title>Frequently Asked Questions</title>
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{ font-size: 10px; font-weight: bold; white-space: nowrap; }
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/*]]>*/-->
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</style>
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<link rel="stylesheet" type="text/css" href="stylesheets/manual.css" />
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<script type="text/javascript">
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/*
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@licstart The following is the entire license notice for the
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JavaScript code in this tag.
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Copyright (C) 2012-2013 Free Software Foundation, Inc.
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The JavaScript code in this tag is free software: you can
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redistribute it and/or modify it under the terms of the GNU
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General Public License (GNU GPL) as published by the Free Software
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Foundation, either version 3 of the License, or (at your option)
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any later version. The code is distributed WITHOUT ANY WARRANTY;
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without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
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As additional permission under GNU GPL version 3 section 7, you
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may distribute non-source (e.g., minimized or compacted) forms of
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that code without the copy of the GNU GPL normally required by
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section 4, provided you include this license notice and a URL
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through which recipients can access the Corresponding Source.
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@licend The above is the entire license notice
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*/
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/*]]>*///-->
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</script>
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</head>
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<body>
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<div id="preamble" class="status">
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<nav>
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<ul class="center">
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<li> <a href="index.html">Overview</a>
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<li> <a href="https://github.com/joaotavora/yasnippet/blob/master/README.mdown">
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Intro and Tutorial</a>
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<li class="center">Snippet
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<ul>
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<li> <a href="snippet-organization.html">Organization</a>
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<li> <a href="snippet-expansion.html">Expansion</a>
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<li> <a href="snippet-development.html">Development</a>
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<li> <a href="snippet-menu.html">Menu</a>
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</ul>
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<li> <a href="faq.html">FAQ</a>
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<li> <a href="snippet-reference.html">Reference</a>
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</ul>
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</nav>
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</div>
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<div id="content">
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<h1 class="title">Frequently Asked Questions</h1>
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<div id="table-of-contents">
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<h2>Table of Contents</h2>
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<div id="text-table-of-contents">
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<ul>
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<li><a href="#sec-1">Why is there an extra newline?</a></li>
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<li><a href="#sec-2">Why doesn't TAB navigation work with flyspell</a></li>
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<li><a href="#sec-3">How to I use alternative keys, i.e. not TAB?</a></li>
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<li><a href="#sec-4">How do I turn off the minor mode where in some buffers?</a></li>
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<li><a href="#sec-5">How do I define an abbrev key containing characters not supported by the filesystem?</a></li>
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</ul>
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</div>
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</div>
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<div id="outline-container-sec-1" class="outline-2">
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<h2 id="sec-1">Why is there an extra newline?</h2>
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<div class="outline-text-2" id="text-1">
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<p>
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If there is a newline at the end of a snippet definition file,
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YASnippet will add a newline when expanding that snippet. When editing
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or saving a snippet file, please be careful not to accidentally add a
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terminal newline.
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</p>
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<p>
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Note that some editors will automatically add a newline for you. In
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Emacs, if you set <code>require-final-newline</code> to <code>t</code>, it will add the
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final newline automatically.
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</p>
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</div>
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</div>
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<div id="outline-container-sec-2" class="outline-2">
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<h2 id="sec-2">Why doesn't TAB navigation work with flyspell</h2>
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<div class="outline-text-2" id="text-2">
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<p>
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A workaround is to inhibit flyspell overlays while the snippet is
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active:
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</p>
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<div class="org-src-container">
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<pre class="src src-emacs-lisp">(add-hook 'flyspell-incorrect-hook
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#'(lambda (dummy1 dummy2 dymmy3)
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(<span class="org-keyword">and</span> yas-active-field-overlay
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(overlay-buffer yas-active-field-overlay))))
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</pre>
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</div>
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<p>
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This is apparently related to overlay priorities. For some reason, the
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<code>keymap</code> property of flyspell's overlays always takes priority over the
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same property in YASnippet's overlays, even if one sets the latter's
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<code>priority</code> property to something big. If you know emacs-lisp and can
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solve this problem, drop a line in the
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<a href="http://groups.google.com/group/smart-snippet">discussion group</a>.
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</p>
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</div>
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</div>
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<div id="outline-container-sec-3" class="outline-2">
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<h2 id="sec-3">How to I use alternative keys, i.e. not TAB?</h2>
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<div class="outline-text-2" id="text-3">
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<p>
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Edit the keymaps <a href="snippet-reference.html#yas-minor-mode-map"><code>yas-minor-mode-map</code></a> and
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<a href="snippet-reference.html#yas-keymap"><code>yas-keymap</code></a> as you would any other keymap:
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</p>
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<div class="org-src-container">
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<pre class="src src-emacs-lisp">(define-key yas-minor-mode-map (kbd <span class="org-string">"<tab>"</span>) nil)
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(define-key yas-minor-mode-map (kbd <span class="org-string">"TAB"</span>) nil)
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(define-key yas-minor-mode-map (kbd <span class="org-string">"<the new key>"</span>) yas-maybe-expand)
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<span class="org-comment-delimiter">;;</span><span class="org-comment">keys for navigation</span>
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(define-key yas-keymap [(tab)] nil)
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(define-key yas-keymap (kbd <span class="org-string">"TAB"</span>) nil)
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(define-key yas-keymap [(shift tab)] nil)
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(define-key yas-keymap [backtab] nil)
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(define-key yas-keymap (kbd <span class="org-string">"<new-next-field-key>"</span>) 'yas-next-field-or-maybe-expand)
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(define-key yas-keymap (kbd <span class="org-string">"<new-prev-field-key>"</span>) 'yas-prev)
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</pre>
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</div>
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</div>
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</div>
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<div id="outline-container-sec-4" class="outline-2">
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<h2 id="sec-4">How do I turn off the minor mode where in some buffers?</h2>
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<div class="outline-text-2" id="text-4">
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<p>
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The best way, since version 0.6.1c, is to set the default value of the
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variable <a href="snippet-reference.html#yas-dont-activate"><code>yas-dont-activate</code></a> to a lambda function like so:
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</p>
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<div class="org-src-container">
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<pre class="src src-emacs-lisp">(set-default 'yas-dont-activate
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#'(lambda ()
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(<span class="org-keyword">and</span> yas-root-directory
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(null (yas-get-snippet-tables)))))
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</pre>
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</div>
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<p>
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This is also the default value starting for that version. It skips the
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minor mode in buffers where it is not applicable (no snippet tables),
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but only once you have setup your yas-root-directory.
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</p>
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</div>
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</div>
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<div id="outline-container-sec-5" class="outline-2">
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<h2 id="sec-5">How do I define an abbrev key containing characters not supported by the filesystem?</h2>
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<div class="outline-text-2" id="text-5">
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<ul class="org-ul">
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<li><b>Note</b>: This question applies if you're still defining snippets
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whose key <i>is</i> the filename. This is behavior still provided by
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version 0.6 for backward compatibilty, but is somewhat
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deprecated…
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</li>
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</ul>
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<p>
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For example, you want to define a snippet by the key <code><</code> which is not a
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valid character for filename on Windows. This means you can't use the
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filename as a trigger key in this case.
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</p>
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<p>
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You should rather use the <code># key:</code> directive to specify the key of the
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defined snippet explicitly and name your snippet with an arbitrary valid
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filename, <code>lt.YASnippet</code> for example, using <code><</code> for the <code># key:</code>
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directive:
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</p>
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<div class="org-src-container">
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<pre class="src src-snippet"><span class="org-comment"># key: <</span>
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<span class="org-comment"># name: <...></...></span>
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<span class="org-comment"># --</span>
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<<span class="org-keyword">${</span><span class="org-warning">1</span><span class="org-keyword">:</span>div<span class="org-keyword">}</span>><span class="org-keyword">$</span><span class="org-string">0</span></<span class="org-keyword">$</span><span class="org-string">1</span>>
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</pre>
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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 id="postamble" class="status">
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<hr><p class='creator'>Generated by <a href="http://www.gnu.org/software/emacs/">Emacs</a> 25.2.50.5 (<a href="http://orgmode.org">Org</a> mode 8.2.10) from 0.12.2 (2017-08-29 02:08:58)</p>
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<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
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</div>
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</body>
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</html>
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