Sam Minnee 62414fdfa6 FEATURE: #1403 - addFieldToTab(), push(), insertBefore(), etc will allow duplicates - the old field is replaced with the new.
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@62211 467b73ca-7a2a-4603-9d3b-597d59a354a9
2008-09-11 00:02:49 +00:00
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