- explain python usage

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43495 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/xorg.cfg

@@ -62,6 +62,10 @@ environment =
   LD_RUN_PATH=${xcbproto:location}/lib:${libXau:location}/lib:${xorg-libpthread-stubs:location}/lib:${libxslt:location}/lib
   PATH=%(PATH)s:${libxslt:location}/bin
   PYTHON=${buildout:executable}
+# Python note: libxcb requires python with ElementTree. In case of appliance
+# non system python is used, and this binary contains ElementTree. In case of
+# using this profile outside appliance it is required to provide python with
+# suitable library.
 
 [xextproto]
 recipe = hexagonit.recipe.cmmi