From bb6b51ad91be7bc8164280469cef775f8eba557a Mon Sep 17 00:00:00 2001
From: Viktor Lofgren <vlofgren@marginalia.nu>
Date: Fri, 12 Apr 2024 10:13:25 +0200
Subject: [PATCH] (ngram) Fix index range in NgramLexicon to an avoid exception

---
 .../java/nu/marginalia/segmentation/NgramLexicon.java           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/libraries/term-frequency-dict/java/nu/marginalia/segmentation/NgramLexicon.java b/code/libraries/term-frequency-dict/java/nu/marginalia/segmentation/NgramLexicon.java
index e7dc1017..7a6beeb8 100644
--- a/code/libraries/term-frequency-dict/java/nu/marginalia/segmentation/NgramLexicon.java
+++ b/code/libraries/term-frequency-dict/java/nu/marginalia/segmentation/NgramLexicon.java
@@ -80,7 +80,7 @@ public class NgramLexicon {
             int ct = counts.get(ordered);
 
             if (ct > 0) {
-                positions.add(Arrays.copyOfRange(parts, i - length, length));
+                positions.add(Arrays.copyOfRange(parts, i - length, i));
             }
 
             if (i >= hashes.length)