Paginating last command

Often, I want to paginate the command I just ran.

Easy enough to <up><alt-p>, but this patch saves a keystroke.

share/functions/__fish_paginate.fish

@@ -5,9 +5,13 @@ function __fish_paginate -d "Paginate the current command using the users defaul
         set cmd $PAGER
     end
 
+    if test -z (commandline -j)
+        commandline -a $history[1]
+    end
+
     if commandline -j | string match -q -r -v "$cmd *\$"
 
-        commandline -aj " ^&1 |$cmd;"
+        commandline -aj " ^&1 | $cmd;"
     end
 
 end