Last modified: 2012-12-15 21:49:37 UTC
The e-mail to the oversighter "Articlefeedbackv5-email-request-oversight-body" contains $4 with a link to the AFT-Oversight FAQ. The content on dewiki is: //de.wikipedia.org/wiki/Wikipedia:Artikel-Feedback/Umgang_mit_Feedback That means, "http:" is missing.
https://gerrit.wikimedia.org/r/#/c/38312/ fixes this
successfully merged when the variable is used on other place a wfExpandUrl( $var, PROTO_CANONICAL ); in the email text can help.