I am using Google Chrome 27 (current as of today). While playing around with some ideas in a sandbox running DokuWiki under PHP's built-in server, I noticed some HTTP access log records indicating a parse error in the site stylesheet. Here is an example:
[Wed May 29 20:32:24 2013] 127.0.0.1:42955 [404]: /lib/images/interwiki/wp.gif)%7Da.iw_wpfr%7Bbackground-image:url(/lib/images/interwiki/wpfr.gif)%7Da.iw_wpde%7Bbackground-image:url(/lib/images/interwiki/wpde.gif)%7Da.iw_wpes%7Bbackground-image:url(/lib/images/interwiki/wpes.gif)%7Da.iw_wppl%7Bbackground-image:url(/lib/images/interwiki/wppl.gif)%7Da.iw_wpjp%7Bbackground-image:url(/lib/images/interwiki/wpjp.gif)%7Da.iw_wpmeta%7Bbackground-image:url(/lib/images/interwiki/wpmeta.gif)%7Da.iw_doku%7Bbackground-image:url(/lib/images/interwiki/doku.gif)%7Da.iw_dokubug%7Bbackground-image:url(/lib/images/interwiki/dokubug.gif)%7Da.iw_amazon%7Bbackground-image:url(/lib/images/interwiki/amazon.gif)%7Da.iw_amazon_de%7Bbackground-image:url(/lib/images/interwiki/amazon.de.gif)%7Da.iw_amazon_uk%7Bbackground-image:url(/lib/images/interwiki/amazon.uk.gif)%7Da.iw_paypal%7Bbackground-image:url(/lib/images/interwiki/paypal.gif)%7Da.iw_phpfn%7Bbackground-image:url(/lib/images/interwiki/phpfn.gif)%7Da.iw_coral%7Bbackground-image:url(/lib/images/interwiki/coral.gif)%7Da.iw_sb%7Bbackground-image:url(/lib/images/interwiki/sb.gif)%7Da.iw_skype%7Bbackground-image:url(/lib/images/interwiki/skype.gif)%7Da.iw_callto%7Bbackground-image:url(/lib/images/interwiki/callto.gif)%7Da.iw_google%7Bbackground-image:url(/lib/images/interwiki/google.gif)%7Da.iw_meatball%7Bbackground-image:url(/lib/images/interwiki/meatball.gif)%7Da.iw_wiki%7Bbackground-image:url(/lib/images/interwiki/wiki.gif - No such file or directory
Chrome was trying to fetch "/lib/images/interwiki/wp.gif)%7Da.iw_wpfr%7Bbackground-image[...]".
The problem does NOT occur in Firefox. Also,
http://jigsaw.w3.org/css-validator/ doesn't seem to have a problem with the stylesheet code either.
Nevertheless, it's probably most expedient to fix this in DokuWiki instead of in Chrome. This patch adds a " " after every "}" in the minified CSS code sent to the client, and it solves the problem.