# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1639936412 -3600
# Node ID 6b3da9e5acc649bafffb809eb1d92698b32457b8
# Parent  1001701be682a0c536e8c8a327dfeef7fc4775e4
Docs

diff -r 1001701be682 -r 6b3da9e5acc6 configmix/variables.py
--- a/configmix/variables.py	Sun Dec 19 18:51:27 2021 +0100
+++ b/configmix/variables.py	Sun Dec 19 18:53:32 2021 +0100
@@ -249,7 +249,7 @@
     """Identity.
 
     The `None` filter is just a marker to not throw :exc:`KeyError`
-    but return `None`.
+    but return `None`. It is a no-op within the filter-chain itself.
 
     """
     return v
@@ -260,7 +260,7 @@
     """Identity.
 
     The `Empty` filter is just a marker to not throw :exc:`KeyError`
-    but return the empty string.
+    but return the empty string. It is a no-op within the filter-chain itself.
 
     """
     return v