There are 2 previous versions of this script.
// ==UserScript==
// @name Unpaginate reddit.com (microformat producer)
// @namespace http://code.google.com/p/ecmanaut/
// @url http://userscripts.org/scripts/source/56701.user.js
// @description Marks up reddit.com with the pagination microformat.
// @require http://ecmanaut.googlecode.com/svn/trunk/lib/gm/$x$X.js
// @require http://ecmanaut.googlecode.com/svn/trunk/lib/addmetainfo.js
// @require http://ecmanaut.googlecode.com/svn/trunk/lib/gm/unpaginate.js
// @include http://www.reddit.com/
// @include http://www.reddit.com/?count*
// @include http://www.reddit.com/search*
// @include http://www.reddit.com/r/*
// @include http://www.reddit.com/new/*
// @include http://www.reddit.com/top/*
// @include http://www.reddit.com/controversial/*
// @include http://www.reddit.com/saved/*
// ==/UserScript==
// Note: This script does only half of the job, you must also install the "Unpaginate pagination microformated web pages" script -> http://userscripts.org/scripts/show/23175
unpaginate('id("siteTable")/div[starts-with(@class," thing id")]',
'//div[@class="content"]//p[@class="nextprev"]/a[contains(text(),"next")]',
'//div[@class="content"]//p[@class="nextprev"]');