some documentation updates
--HG--
branch : trunk
diff --git a/jinja2/environment.py b/jinja2/environment.py
index 92ab578..23e77b6 100644
--- a/jinja2/environment.py
+++ b/jinja2/environment.py
@@ -112,7 +112,8 @@
`extensions`
List of Jinja extensions to use. This can either be import paths
- as strings or extension classes.
+ as strings or extension classes. For more information have a
+ look at :ref:`the extensions documentation <jinja-extensions>`.
`optimized`
should the optimizer be enabled? Default is `True`.
@@ -282,6 +283,9 @@
tree of nodes is used by the compiler to convert the template into
executable source- or bytecode. This is useful for debugging or to
extract information from templates.
+
+ If you are :ref:`developing Jinja2 extensions <writing-extensions>`
+ this gives you a good overview of the node tree generated.
"""
try:
return Parser(self, source, filename).parse()