From 7564c93e73be8e9729c19e0cd3a7b9a5e6bdd357 Mon Sep 17 00:00:00 2001
From: Christoph Groth <christoph.groth@cea.fr>
Date: Thu, 21 Feb 2013 17:03:46 +0100
Subject: [PATCH] tutorial: state a paragraph more precisely
---
doc/source/tutorial/tutorial2.rst | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/doc/source/tutorial/tutorial2.rst b/doc/source/tutorial/tutorial2.rst
index 232cab48..6bb6043f 100644
--- a/doc/source/tutorial/tutorial2.rst
+++ b/doc/source/tutorial/tutorial2.rst
@@ -148,12 +148,11 @@ define the potential profile of a quantum well as:
:start-after: #HIDDEN_BEGIN_ehso
:end-before: #HIDDEN_END_ehso
-This function takes two arguments: the first which is of type
-`~kwant.builder.Site`, from which you can get the real-space
-coordinates using ``site.pos``, and the value of the potential as a
-second argument. Note that we can use global
-variables to define the behavior of `potential`: `L` and `L_well`
-are variables taken from the namespace of `make_system`.
+This function takes two arguments: the first of type `~kwant.builder.Site`,
+from which you can get the real-space coordinates using ``site.pos``, and the
+value of the potential as the second. Note that in `potential` we can access
+variables of the surrounding function: `L` and `L_well` are taken from the
+namespace of `make_system`.
kwant now allows us to pass a function as a value to
`~kwant.builder.Builder`:
--
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