Add info on dita-ot/dita-ot#2759 to 2.5.3 RN
Add info on dita-ot/dita-ot#2759 to 2.5.3 RN

Changes implemented in dita-ot/dita-ot#2761

Signed-off-by: Roger Sheen <a61a1add71dadc74037ae5e44ee30713db9a7451@infotexture.net>
shaneataylor/docs,dita-ot/docs,shaneataylor/docs,infotexture/docs,infotexture/docs