fix link to blog post

_doc/sphinxdoc/source/blog/2016/2016-06-11_blogpost_with_label.rst

@@ -0,0 +1,26 @@
+
+
+.. blogpost::
+    :title: Make a reference to a blog post
+    :keywords: reference, blog, post
+    :date: 2016-06-11
+    :categories: documentation
+    :lid: label-to-this-blogpost
+
+    Option ``lid`` to the directive ``blogpost`` 
+    to specify a label. The documentation can now refer to it.
+
+    ::
+    
+        .. blogpost::
+            :title: Make a reference to a blog post
+            :keywords: reference, blog, post
+            :date: 2016-06-11
+            :categories: documentation
+            :lid: label-to-this-blogpost
+            
+    And to add a link:
+
+    ::
+    
+        :ref:`label-to-this-blogpost` 

src/project_name/subproject2/myexample2.py

@@ -1,6 +1,9 @@
 """
 @file
 @brief This the documentation of this module (myexample2).
+
+To make a reference to a blog post, just read :ref:`label-to-this-blogpost`.
+
 The following documentation comes from a directive
 `runpython <http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/pyquickhelper/helpgen/sphinx_runpython_extension.html>`_
 which outputs documentation on the standard output::
@@ -53,7 +56,6 @@
     import project_name
     import os
     print(os.path.split(project_name.__file__)[-1])
-
 """
 from ..subproject.myexample import myclass