Make clear that hg pull -r REV pulls "up to" a revision.
The existing message was a bit confusing, making the reader
believe that only the specific revision is pulled.
#header#
<title>Mercurial repositories index</title>
</head>
<body>
<h2>Mercurial Repositories</h2>
The specified repository "#repo|escape#" is unknown, sorry.
Please go back to the main repository list page.
#footer#