Hello all, The team intend to modify the existing \<thing>_case:nnn functions, renaming the last argument as 'F'. This reflects the fact that this final argument is used only when the test case (<thing>-dependent) is logically false, and follows the approach used elsewhere. At the same time, we intend to introduce \<thing>_case:nn, where there is no false branch (i.e. where 'do nothing' is the appropriate action). -- Joseph Wright