XML Filter not reporting whitespace before first element

[Former user]

Original issue 391 created by @ysavourel on 2014-02-13T16:50:41.000Z:

the XML parser doesn't return whitespace before first element, maybe we can restore option?
This cause issues with line-break detector.

See also:
See https://groups.google.com/forum/#!topic/okapi-devel/8ACuYnIpRgg

[Jim Hargrave (OLD)]

Fixed per discussion in google group