Created attachment 3390 [details] [review] Proposed Patch
Signed off, it works as expected.
Patch pushed, please test
This bug is mentioned in: Bug 5926 : Fixing Hierarchies : taking any heading subfield http://lists.koha-community.org/pipermail/koha-patches/2011-March/014173.html Bug 5926 : Fixing Hierarchies : taking any heading subfield http://lists.koha-community.org/pipermail/koha-patches/2011-March/014186.html