From 5be4a911e0e88bb1346274f6ed99e89053347e0a Mon Sep 17 00:00:00 2001
From: Evgeny Fadeev <evgeny.fadeev@gmail.com>
Date: Sun, 29 Aug 2010 22:00:31 -0400
Subject: added doc page about enabling mathjax

---
 askbot/doc/source/mathjax.rst | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 askbot/doc/source/mathjax.rst

diff --git a/askbot/doc/source/mathjax.rst b/askbot/doc/source/mathjax.rst
new file mode 100644
index 00000000..4dfc8aad
--- /dev/null
+++ b/askbot/doc/source/mathjax.rst
@@ -0,0 +1,36 @@
+.. _mathjax:
+
+===================
+Installing MathJax
+===================
+
+MathJax_ is a browser independent javascript rendering engine for mathematical
+expressions. On a MathJax-enabled site, such as Askbot :) you can display
+perfectly formatted mathematical formulae.
+
+However, MathJax distribution is very large and because of the size is not
+shipped with Askbot.
+
+To enable MathJax on your site, three things need to be done:
+
+* download MathJax to some directory on your server
+* edit webserver configuration so that url `http://example.com/mathjax`
+  points to that directory and file `MathJax.js` is available at 
+  `http://example.com/mathjax/MathJax.js`. For Apache, a following line 
+  in the apache configuration file (maybe a VirtualHost section) will do::
+
+  Alias /mathjax/ /filesystem/path/to/mathjax/
+
+* in Askbot "settings" -> "Optional components", check "Enable MathJax" and
+  enter url `http://example.com/mathjax`
+
+Note: your actual forum site must in this case be available at `http://example.com`.
+It is **very important** to serve MathJax media **from the same domain**, otherwise
+mathematics rendering will be very slow in Firefox and some other browsers (those 
+using the "same origin" policy for the HTTP cookies - MathJax does use sookies to
+store some Math display settings)
+
+One day enabling MathJax will be even easier, but `some more work`_ needs to be done for this to happen.
+
+.. _MathJax: http://mathjax.org
+.. _`some more work`: http://bugs.askbot.org/issues/27
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