A clip seems appropriate to identify _sheets_.
Original picture by Kyle MacDonald (CC-by 2.0); retrieved from
http://commons.wikimedia.org/wiki/File:One_red_paperclip.jpg
and made transparent (hints in clip.source.xcf) and stretched in Gimp.
<meta name="description" content="Table of ISO-3166-2 country codes with the names of reserved territories.">
<meta name="keywords" content="country, code, cc, tld, territory, land, table">
<:= stylesheet(qw'light dark mono red') :>
+<link rel="icon" type="image/png" href="/clip.png">
</head>
<body>
<meta name="description" content="Reference sheet with all glyphs in common character encoding tables, and an overview of Unicode ranges and UTF-8 bytes.">
<meta name="keywords" content="charset, codepage, unicode, ascii, utf8, latin, glyph, character, encoding, reference, common, overview, table">
<:= stylesheet(qw'light') :>
+<link rel="icon" type="image/png" href="/clip.png">
</head>
<body id="charset">
<meta name="description" content="Complete table of digraph characters from RFC-1345.">
<meta name="keywords" content="digraph, compose, character, char, glyph, table, unicode, vim">
<:= stylesheet(qw'light') :>
+<link rel="icon" type="image/png" href="/clip.png">
</head>
<body id="digraphs">
<meta name="description" content="Cheat sheets summarising various software programs and standards.">
<meta name="keywords" content="sheet, cheat, reference, software, overview, summary, help, keyboard, map, unicode">
<:= stylesheet(qw'light dark red') :>
+<link rel="icon" type="image/png" href="/clip.png">
</head>
<body id="index">
print "\n".'<style type="text/css"> .no, .alias {opacity:.5} </style>'
if $showkeys and $get{keys} eq 'ghost';
:>
+<link rel="icon" type="image/png" href="/clip.png">
<script type="text/javascript" src="/keys.js"></script>
<body id="mplayer">
print "\n".'<style type="text/css"> .no, .alias {opacity:.5} </style>'
if $showkeys and $get{keys} eq 'ghost';
:>
+<link rel="icon" type="image/png" href="/clip.png">
<script type="text/javascript" src="/keys.js"></script>
<body id="mutt">
print "\n".'<style type="text/css"> .no, .alias {opacity:.5} </style>'
if $showkeys and $get{keys} eq 'ghost';
:>
+<link rel="icon" type="image/png" href="/clip.png">
<script type="text/javascript" src="/keys.js"></script>
<body id="nethack">
print "\n".'<style type="text/css"> .no, .alias {opacity:.5} </style>'
if $showkeys and $get{keys} eq 'ghost';
:>
+<link rel="icon" type="image/png" href="/clip.png">
<script type="text/javascript" src="/keys.js"></script>
<body id="readline">
:>">
<meta name="keywords" content="sheet, cheat, source, code, perl, plp, html, agpl">
<:= stylesheet(qw'light dark mono red') :>
+<link rel="icon" type="image/png" href="/clip.png">
</head>
<body id="source">
<meta http-equiv="content-type" content="utf-8">
<title>terminal colour cheat sheet</title>
<:= stylesheet(qw'light') :>
+<link rel="icon" type="image/png" href="/clip.png">
</head>
<body id="colour">
<meta name="description" content="Common Unicode characters with digraph or code point, layed out for quick location. Includes general signs, arrows, drawing characters, and IPA letters.">
<meta name="keywords" content="unicode, glyph, char, character, reference, common, ipa, sign, mark, table, digraph">
<:= stylesheet(qw'light dark red') :>
+<link rel="icon" type="image/png" href="/clip.png">
</head>
<body id="unicode">
print "\n".'<style type="text/css"> .no, .alias {opacity:.5} </style>'
if $showkeys and $get{keys} eq 'ghost';
:>
+<link rel="icon" type="image/png" href="/clip.png">
<script type="text/javascript" src="/keys.js"></script>
<body id="vim">
print "\n".'<style type="text/css"> .no, .alias {opacity:.5} </style>'
if $showkeys and $get{keys} eq 'ghost';
:>
+<link rel="icon" type="image/png" href="/clip.png">
<script type="text/javascript" src="/keys.js"></script>
<body id="vimperator">