garbage in xml regress test

Hi

When I checked result of xml test I found some strange lines in
expected/xml.out file

It is little bit strange - regress test reports ok, but diff is not empty

[pavel(at)nemesis regress]$ diff results/xml.out expected/xml.out
11a12,13
> <wrong
> ^
63a66,67
> <syntax
> ^
222a227,228
> <invalidentity>&</invalidentity>
> ^
228a235,236
> <undefinedentity>&idontexist;</undefinedentity>
> ^
246a255,256
> <twoerrors>&idontexist;</unbalanced>
> ^
247a258,259
> <twoerrors>&idontexist;</unbalanced>
> ^
256a269,270
>
> ^
273a288,289
> <invalidentity>&</abc>
> ^
279a296,297
> <undefinedentity>&idontexist;</abc>
> ^
297a316,317
> <twoerrors>&idontexist;</unbalanced>
> ^

Regards

Pavel