[PATCH] dev-manual: layer priority takes precedence over PV

[PATCH] dev-manual: layer priority takes precedence over PV

[rpjday]

Clarify that if there are multiple recipes with the same name, the
recipe with the highest PV from the highest priority layer will be the
one selected.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>

---

  i'm using docbook's <emphasis> markup here, which renders in HTML as
both bold and italic.

diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml
index 1e6addde4..951263291 100644
--- a/documentation/dev-manual/dev-manual-common-tasks.xml
+++ b/documentation/dev-manual/dev-manual-common-tasks.xml
@@ -825,9 +825,11 @@
             </para>

             <note>
-                <para>It is possible for a recipe with a lower version number
+                <para>If the same recipe exists in several layers, the recipe
+                with the highest value of
                 <ulink url='&YOCTO_DOCS_REF_URL;#var-PV'><filename>PV</filename></ulink>
-                in a layer that has a higher priority to take precedence.</para>
+                <emphasis>from the layer with the
+                highest priority</emphasis> will be selected.</para>
                 <para>Also, the layer priority does not currently affect the
                 precedence order of <filename>.conf</filename>
                 or <filename>.bbclass</filename> files.

-- 

========================================================================
Robert P. J. Day                                 Ottawa, Ontario, CANADA
                         http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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