Wikimedia Bugzilla is closed!

Introduction:
At Wikimedia Commons, we have scripts to start deletion requests. These scripts notify the uploader of the affected file(s).

Current behaviour:
Details: See below.
When making an edit request with token and everything else right, an edit conflict is thrown, despite using option appendtext, not setting a base timestamp and no one is actually editing the page. This was reported by several users to me and you can look at https://commons.wikimedia.org/wiki/MediaWiki_talk:Gadget-AjaxQuickDelete.js/auto-errors for a long list of edit conflicts.
The script is smart and if it detects an editconflict and recognizes that option appendtext was used, it retries 10 times (with an increasing timeout between the requests). But ALL of them failed when I made the test (list of servers below).

Expected behaviour:
Either only edit conflicts when someone else is editing the page or no edit confilct for options appendtext and prependtext.


-REQUEST PARAMS:
action	edit
appendtext	{{subst:idw|2=Files uploaded by Rillke|3=plural}} Affected: * [[:File:Verbotsschild Hunde und Fahrradfahrer.jpg]] And also: * [[:File:Nanas - Niki de Saint Phalle 05.jpg]] * [[:File:Nanas - Niki de Saint Phalle 04.jpg]] * [[:File:Nanas - Niki de Saint Phalle 03.jpg]] * [[:File:Nanas - Niki de Saint Phalle 02.jpg]] * [[:File:Nanas - Niki de Saint Phalle 01.jpg]] If you have a question concerning this process, answer below, or in case of a deletion request, on the deletion-discussion page. Do not ask on my discussion page. With best regards ~~~~
format	json
redirect	true
summary	Some of your [[Commons:Deletion requests/Files uploaded by Rillke|uploads have been nominated for deletion]].
title	User talk:Rillke
token	XXXXXX+\
watchlist	watch

-REQUEST HEADERS:
Accept	application/json, text/javascript, */*; q=0.01
Accept-Encoding	gzip, deflate
Accept-Language	de-de,de;q=0.8,en-us;q=0.5,en;q=0.3
Connection	keep-alive
Content-Length	952
Content-Type	application/x-www-form-urlencoded; charset=UTF-8
Cookie	XXXX; centralnotice_bucket=0; popTz=0
Host	commons.wikimedia.org
Referer	https://commons.wikimedia.org/wiki/Commons:Village_pump
User-Agent	Mozilla/5.0 (Windows NT 5.1; rv:16.0) Gecko/20100101 Firefox/16.0
X-Requested-With	XMLHttpRequest

-RESPONSE TEXT:
{"servedby":"mw73","error":{"code":"editconflict","info":"Edit conflict detected"}}

-RESPONSE HEADERS:
Cache-Control	private
Connection	keep-alive
Content-Encoding	gzip
Content-Length	91
Content-Type	application/json; charset=utf-8
Date	Sat, 10 Nov 2012 23:01:13 GMT
MediaWiki-API-Error	editconflict
Server	nginx/0.7.65
Vary	Accept-Encoding
Via	1.1 sq36.wikimedia.org:3128 (squid/2.7.STABLE9), 1.0 amssq38.esams.wikimedia.org:3128 (squid/2.7.STABLE9), 1.0 amssq40.esams.wikimedia.org:80 (squid/2.7.STABLE9)
X-Cache	MISS from sq36.wikimedia.org, MISS from amssq38.esams.wikimedia.org, MISS from amssq40.esams.wikimedia.org
X-Cache-Lookup	MISS from sq36.wikimedia.org:3128, MISS from amssq38.esams.wikimedia.org:3128, MISS from amssq40.esams.wikimedia.org:80
X-Vary-Options	Accept-Encoding;list-contains=gzip
x-content-type-options	nosniff
x-frame-options	SAMEORIGIN

Same result (editconflict) from:
mw73
srv292
srv290
srv252
srv256
srv299
srv257
mw65
mw68
srv294