docs: add note on view() and View Renderer relationship

Author: kenjis

user_guide_src/source/general/common_functions.rst

@@ -180,6 +180,7 @@ Service Accessors
     :rtype: string
 
     Grabs the current RendererInterface-compatible class
+    (:doc:`View <../outgoing/view_renderer>` class by default)
     and tells it to render the specified view. Simply provides
     a convenience method that can be used in Controllers,
     libraries, and routed closures.

user_guide_src/source/outgoing/views.rst

@@ -47,6 +47,8 @@ Where *name* is the name of your view file.
 
 .. important:: If the file extension is omitted, then the views are expected to end with the **.php** extension.
 
+.. note:: The ``view()`` function uses :doc:`view_renderer` internally.
+
 Now, create a file called **Blog.php** in the **app/Controllers** directory,
 and put this in it: