PI being moved by XML Stream filter

Created by: Anonymous

Original issue 145 created by @ysavourel on 2010-09-29T22:30:12.000Z:

In the attached file we have:

4500-30

after processing it becomes:

4500-30

The get moved to the start of the entry content.

Note: it's Ok for M9, but would be nice to fix for M10.