ref-manual: Added the version-going-backwards test to insane

Added this new test to the insane.bbclass section.  Also put
in a reference in the migration section back to the new
entry.

(From yocto-docs rev: 32e25547b439030b93d9bc72bdce916eded518b4)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index af7eed3892..83e5db3cd3 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -683,6 +683,9 @@
                     this check performed, you should add
                     "version-going-backwards" to your value for one or the
                     other variables depending on how you wish it to be handled.
+                    See the documented QA checks in the
+                    "<link linkend='ref-classes-insane'><filename>insane.bbclass</filename></link>"
+                    section. 
                     </para></listitem>
             </itemizedlist>
         </para>