Updating your FLEXIcontent J1.5 templates to work with FC v2.x for J2.5 / J3.x

To make the XML files of your J1.5 FLEXIcontent templates compatible with J2.5 format replace in item.xml  and  category.xml:

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<metadata>, </metadata>

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<form>,</form>

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<params addpath="/administrator/components/com_flexicontent/elements">

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<fields name="attribs">
  <fieldset name="attribs" addfieldpath="/administrator/components/com_flexicontent/elements">

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</params>

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  </fieldset>
</fields>

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<param ...> , </param>

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<field ...> , </field>

NOTE 1: make sure you clean cache after editing an XML

NOTE 2: For XML syntax errors you will be warned, but not for invalid XML values,
e.g
- you will not be warned if your J1.5 XML files have not been updated, instead you probavly get an JS error in category/item edit form
- e.g. all you item/category parameters must have their type param set e.g. type="sometype", so type="" will break the form, so check you XML file for it