plone/plone.app.layout — pull request #8 by erral (2012-09-06 14:31:25+00:00)
Title: Make sitemap.xml.gz work in a LinguaPlone environment

LinguaPlone deletes Language parameter from the query, so when calling the catalog for the second time it is not present in the parameters so LinguaPlone uses current users language to get the content for the sitemap which is wrong.

More information:

https://github.com/plone/plone.app.layout/commit/1b03450d30d52858c833849a5629bf9781f2db89#L2R44