some documentation improvements, jinja escapes " and ' now, both into charpoints and no named entities for html 3.2 support ;-)

--HG--
branch : trunk
diff --git a/jinja2/environment.py b/jinja2/environment.py
index a129c38..35bbb15 100644
--- a/jinja2/environment.py
+++ b/jinja2/environment.py
@@ -103,7 +103,7 @@
 
     `line_statement_prefix`
         If given and a string, this will be used as prefix for line based
-        statements.
+        statements.  See also :ref:`line-statements`.
 
     `trim_blocks`
         If this is set to ``True`` the first newline after a block is