Index.rst: customize URL for 'report a problem'.

Release.rst: fix typo
Sitemap.rst: new created to be included by Index.rst.

Documentation/Index.rst

@@ -56,7 +56,7 @@ Quick Form Query Extension
    It is maintained as part of a third party extension.
 
    If you find an error or something is missing, please:
-   `Report a Problem <https://github.com/TYPO3-Documentation/TYPO3CMS-Example-ExtensionManual/issues/new>`__
+   `Report a Problem |project_issues|__
 
 **Extension Manual**
 

Documentation/Release.rst

@@ -106,7 +106,7 @@ Notes
 
 * New Escape/Action Class:
 
-  * 'X': Throw an exception is a variable is not found. Custom message can be defined.
+  * 'X': Throw an exception if a variable isn't found. Custom message can be defined.
   * 'S': Stop replacing nested variables.
 
 * Form forward:

Documentation/Sitemap.rst

+:template: sitemap.html
+
+.. _sitemap:
+
+=======
+Sitemap
+=======
+
+.. template 'sitemap.html' will insert the toctree as a sitemap here
+below normal contents