problem using faceting in 5.3

Hello All, I have been given the envious job of upgrading existing faceted taxonomy indexes from 3.6 to 5.3. To make sure that I have everything in working order, I have written a little program to “smoke test” . Facets retrieved in version 3 should be retrievable in version 5, or our upgrade

extracting charoffsets from SpanWeight's getSpans() in 5.3.1?

All, I'm trying to find all spans in a given String via stored offsets in Lucene 5.3.1. I wanted to use the Highlighter with a NullFragmenter, but that is highlighting only the matching terms, not the full Spans (related to LUCENE-6796?). My Current code iterates through the spans, stores