Manual talk:$wgNamespacesToBeSearchedDefault

Important to note that setting this will not override a users preferences. So if you have changed your preferences, changing this will not appear to you, making you think that it hasn't worked --Dr DBW 01:54, 27 June 2007 (UTC)

The above problem, unfortunately, applies even to namespaces created after a user was created/has edited his/her preferences. The problem is that method  in   does not fall back to default user options if a particular option does not exist in that user's preferences. This is quite annoying if you use namespaces to categorize article types since there is no easy way to update preferences of all users. The following implementation of  solves the problem - it uses default values for options which the user did not touch yet: --Jim Bim 18:32, 17 August 2007 (UTC)