UPSTREAM.md

Parts that need to be kept in sync with upstream

Since we're re-using and slightly modifying a multitude of internal Lucene APIs (all from the lucene.search.uhighlight) namespace, we should go through all those APIs after every new release of Lucene/Solr and update our code to use the new APIs/implementations.

• PassageFormatter
• UnifiedHighlighter
  • highlightFieldsAsObjects
  • loadFieldValues
  • getPhraseHelper
  • getOffsetStrategy
  • copyAndSortFieldsWithMaxPassages
  • copyAndSortDocIds
  • asDocIdSetIterator
  • TermVectorReusingLeafReader
• FieldHighlighter
• TermVectorFilteredLeafReader
• PhraseHelper
• OffsetsEnum
• FieldOffsetStrategy
• PostingsOffsetStrategy
• TermVectorOffsetStrategy
• PostingsWithTermVectorsOffsetStrategy
• NoOpOffsetStrategy