ampersand in a resource name causes translations to be saved to the wrong ressource and to overwrite an english base resource.
Fragment of a discussion from Translating talk:Mifos/LiquidThreads
(fixed : you need to refresh the browser to get the new AJAX code and avoid the ampersand issue) Note: this resource is still fuzzy with a quoted nominal subexpression broken in the middle, whose translation will cause problems to translators.