Fix synchroniser to clear elements if an element only contains whitespace
Fix synchroniser to clear elements if an element only contains whitespace

silasary/Protobuild,Protobuild/Protobuild,Protobuild/Protobuild,silasary/Protobuild,silasary/Protobuild,hach-que/Protobuild,hach-que/Protobuild,Protobuild/Protobuild,hach-que/Protobuild,Protobuild/Protobuild,Protobuild/Protobuild