User talk:Jeroen De Dauw

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A barnstar for you!

The Technical Barnstar
Heiya Jeroen,
this is for your tireless efforts on making extensions more professional as well as having an ear for the community. I and presumably a lot of other people out there very much appreciate this. Cheers and keep up your excellent work.
-- [[kgh]] 10:19, 10 December 2011 (UTC)

A kitten for you!


Jens Ohlig (talk) 00:43, 18 October 2012 (UTC)

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Chiefgeek157 (talkcontribs)


I posted a problem on the SubPageList extension talk page. My compliments to your skill in clean coding--evident when searching for a possible fix. When you get a moment, would you mind taking a look and seeing if there is a way to get templates to work correctly under the SubPageList extension?

Thank you, sir!

Reply to "SubPageList templates"
LiaVeja (talkcontribs)

Hi, I tried to use Survey extension with MediaWiki 1.24. Everything seems to go well, but the survey cannot be deployed to the user. An annoying message is shown, but nothing else. Any idea? Thank you in advance!

Vitruvian95 (talkcontribs)

The same here. I installed from git on Mediawiki 1.24.1, PHP 5.4.37, MySQL 5.5.42, and see the survey title but can't add or see questions. Just get the "Loading survey..." message.

Your help is much appreciated.

This post was posted by Vitruvian95, but signed as Felipe95a.

LiaVeja (talkcontribs)

Did you find a solution? Because I did. Replace the library jquery.fancybox pack with a fresh one.

All the best!

Lia Veja

Vitruvian95 (talkcontribs)

Hi User:LiaVeja, can you be more specific about what you did? I'm afraid I'm not too sophisticated and can use any help you can provide. Thanks!

Reply to "Survey extension"

Starting conversion of LiquidThreads to Flow at

Quiddity (WMF) (talkcontribs)

Hello. I'm sending this to you, because you've been one of the top 50 users of LQT on over the last 360 days, and I wanted to make sure that you'd seen the announcement at Starting conversion of LiquidThreads to Flow at There are links in the topic-summary at the top, for other discussions (wikitech-l and Project:Current_issues), and a link to the planned process and timeline (scheduled to begin April 6, with smaller conversions at first). Please do test Flow out at Talk:Sandbox if you haven't tried it recently, and give any feedback/suggestions/requests at that main discussion location. Much thanks.

Reply to "Starting conversion of LiquidThreads to Flow at"
Kghbln (talkcontribs)

Heiya Jeroen, what about moving this to GitHub, too. Cheers (talkcontribs)

Why? Someone needs to maintain it for it to make a difference. GitHub is esp more convenient for tests, CI and packagist, none of which this extension has at this point.

Kghbln (talkcontribs)

Probably I figured that having such extensions in one spot to work on is nicer. However, it is a very special interest extension which indeed also need a maintainer for this too. No worries since it still can happen in the future.

Reply to "[[Extension:Semantic Image Input]]"
Tetrao (talkcontribs)

Hi Jeroen, I've tried your extension kml export, but it doesn't seems to work on my wiki ! I can publish googlemaps (so it seems working well) with Maps and Semantic-Maps. I even tried with adding 'kml' format in the array in the settings of result formats or adding $srfgFormats[] = 'kml'; in the localsettings.php

on the page you give two examples of queries for coords, how do we get the kml export file?

Thanks for answer and continue working in Wikipedia !!!

Jeroen De Dauw (talkcontribs)

Now tracked at

Acnetj (talkcontribs)

There was a problem for "/Maps/includes/Maps_KMLFormatter.php" line 157. The parser tries to get the altitude value from the database that doesn't exist. (KML file has altitude values besides lat/long, and is supposed to be zero if there's no value). I basically changed that line to: "$coordinates->getLongitude() . ',' . $coordinates->getLatitude() . ',0'" and the problem goes away. There might be a better way to do this, but if the geo coordinate property is not designed to hold altitude, then have the altitude value hard coded as zero may still be suitable. (talkcontribs)

Thanks for pointing this out. This is fixed now, in the 3.2.2 release.

Reply to "Kml export" (talkcontribs)


I expirience some problems with Live Translate. Main problem is that the transate button is not showing up on pages…

I've instaled this extension according to instuction on wiki (). After that I got „database error” probably because tables in databse was not created. I've created them manualy using definitions in file lifetranslate.sql. Wiki now works normaly but transalte button is missing…

How to debug this problem?

I'm using latest version of MediaWiki, Ubuntu server, Apache/PHP/My SQL. Extension is listed on PSecial pages → Version…

Reply to "Problems with Live Transalte"
Welterkj (talkcontribs)

Thanks for your advice on my GraphViz extension re-write. The code review process involved lots of waiting but it is merged now and I've completed the corresponding documentation update (mw:Extension:GraphViz). Thanks again!

Reply to "Thanks"
LiangHao (talkcontribs)

Hi Jeroen,

I'm using Mediawiki 1.23 now. But I am constantly having a "Notice: Undefined index: read in /XXX/wiki/includes/installer/LocalSettingsGenerator.php on Line 226" at the top of my wiki page.

The line is like:

if ( $this->groupPermissions ) {
    $groupRights .= "# The following permissions were set based on your choice in the installer\n";
	foreach ( $this->groupPermissions as $group => $rightArr ) {
            $group = self::escapePhpString( $group );
	    foreach ( $rightArr as $right => $perm ) {
		$right = self::escapePhpString( $right );
		$groupRights .= "\$wgGroupPermissions['$group']['$right'] = " .
		                	wfBoolToStr( $perm ) . ";\n";
	if ( $this->groupPermissions['*']['edit'] === false
	    && $this->groupPermissions['*']['createaccount'] === false
Line 226==> && $this->groupPermissions['*']['read'] !== false
	) {
	    $noFollow = "\n# Set \$wgNoFollowLinks to true if you open up your wiki to editing by\n"
	    . "# the general public and wish to apply nofollow to external links as a\n"
	    . "# deterrent to spammers. Nofollow is not a comprehensive anti-spam solution\n"
	    . "# and open wikis will generally require other anti-spam measures; for more\n"
	    . "# information, see\n"
	    . "\$wgNoFollowLinks = false;";

I try to define 'read' in my "LocalSettings.php" file in this way:

$wgGroupPermissions['*']['read'] = true;

But it didn't work out. Please help me to remove this notice, thank you!

Reply to "Mediawiki 1.23 problem"
Kghbln (talkcontribs)

I think that it becomes more and more essential to indicate that an extension has to be installed with Composer. Thus I have added a new option to Template:Extension. I guess this is ok and hope it does not get reverted. This thread is just for your info.


Kghbln (talkcontribs)

I figured it would be even nicer to point people to the package archive whilst we are at it. Thanks go to Jamie for this inspiration.

Reply to "Indicate Composer installation"
Egel (talkcontribs)

We have Drupal-style wikifarm ( and not all language versions use the same extensions. Can we use this extension and if so, what is the best way?

Jeroen De Dauw (talkcontribs)

I suspect you can, perhaps after fixing some minor issues. I don't know though, as I'm not familiar with how your farm is set up or even how this is done in general.

Reply to "use Extension Installer on a wikifarm"