When you're editing a news item that has been designated for the 'slip' it changes the type to 'librarian interface' - if you don't notice that it does that you end up putting news in the wrong place. All other types of news edit properly, it's just the slip that's funny.
Created attachment 2913 [details] [review] Proposed fix The script checks for a language-specific OPAC message and, if none is found, preselects none of the "display location" options. This results in the first item in the <select> behing highlighted by default, "Librarian interface." If we want to select "slip," we must add an explicit check for it.
Pushed, please test