From 5fa17fdefe848d8004ca9a6daab19e1e1ea17b29 Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@plope.com>
Date: Wed, 13 Jul 2011 02:59:11 +0200
Subject: [PATCH] clarify

---
 docs/narr/viewconfig.rst |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/docs/narr/viewconfig.rst b/docs/narr/viewconfig.rst
index 1ef40e8..d33d787 100644
--- a/docs/narr/viewconfig.rst
+++ b/docs/narr/viewconfig.rst
@@ -817,6 +817,11 @@
 ``prevent_http_cache`` configuration value setting to a true value.  For more
 information, see :ref:`preventing_http_caching`.
 
+Note that setting ``prevent_http_cache`` will have no effect on caching
+headers that your application code itself sets.  It will only prevent caching
+headers that would have been set by the Pyramid HTTP caching machinery
+invoked as the result of the ``http_cache`` argument to view configuration.
+
 .. index::
    pair: matching views; printing
    single: paster pviews

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