dsmiley commented on a change in pull request #1123: LUCENE-9093: Unified 
highlighter with word separator never gives context to the left
URL: https://github.com/apache/lucene-solr/pull/1123#discussion_r361375534
 
 

 ##########
 File path: 
lucene/highlighter/src/java/org/apache/lucene/search/uhighlight/LengthGoalBreakIterator.java
 ##########
 @@ -174,7 +175,48 @@ private int moveToBreak(int idx) { // precondition: idx 
is a known break
   // called at start of new Passage given first word start offset
   @Override
   public int preceding(int offset) {
-    return baseIter.preceding(offset); // no change needed
+    final int fragmentStart = Math.max(baseIter.preceding(offset), 0); // 
convert DONE to 0
+    fragmentEndFromPreceding = baseIter.following(fragmentStart);
 
 Review comment:
   couldn't fragmentStart argument be offset so that baseIter needn't 
re-analyze the text before offset?

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