# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1638865418 -3600
# Node ID e60b72df15deaa8baf839acbca699064f1a445d5
# Parent  5aba893d0dbb0c160307e42b1320187eecac09ec
Introduction into sub-jails

diff -r 5aba893d0dbb -r e60b72df15de docs/introduction.rst
--- a/docs/introduction.rst	Thu Dec 02 09:32:01 2021 +0100
+++ b/docs/introduction.rst	Tue Dec 07 09:23:38 2021 +0100
@@ -581,6 +581,21 @@
 given `root path` in order to get the effective key into the base
 configuration.
 
+It is possible to get a jailed configuration from an already jailed
+configuration::
+
+    import configmix
+
+    config = configmix.load("conf10.py")
+    value = config.getvar_s("tree1.tree2.key4")
+
+    jailed_config1 = config.jailed(rootpath="tree1")
+
+    jailed_config2 = jailed_config2.jailed(rootpath="tree2")
+    jvalue2 = jailed_config.getvarl_s("key4")
+
+    assert value == jvalue2 == "get this as `tree1.tree2.key4'"
+
 
 Custom filename extensions and custom loaders
 ---------------------------------------------