alt-p binding: don't add extra space character before pipe

share/functions/__fish_paginate.fish

@@ -3,5 +3,9 @@ function __fish_paginate -d "Paginate the current command using the users defaul
     set -l cmd (__fish_anypager)
     or return 1
 
-    fish_commandline_append " &| $cmd"
+    set -l pipe " &| $cmd"
+    if string match -rq -- ' \n\.$' "$(commandline -j; echo .)"
+        set pipe "&| $cmd"
+    end
+    fish_commandline_append $pipe
 end