indent_on_new_line: indent after (case|else) commands

rc/fish.kak

@@ -49,6 +49,8 @@ def -hidden _fish_indent_on_new_line %{
         try %{ exec -draft k : _fish_filter_around_selections <ret> }
         # copy '#' comment prefix and following white spaces
         try %{ exec -draft k x s ^\h*\K#\h* <ret> y j p }
+        # indent after (case|else) commands
+        try %{ exec -draft <space> k x <a-k> (case|else) <ret> j <a-gt> }
         # indent after (begin|for|function|if|switch|while) commands and add 'end' command
         try %{ exec -draft <space> k x <a-k> (begin|for|function|(?<!(else)\h+)if|switch|while) <ret> x y p j a end <esc> k <a-gt> }
     }