0.0.6-SNAPSHOT fixed block indexes in merge3 result

src/commonMain/kotlin/net.sergeych.merge3/merge3.kt

@@ -36,7 +36,12 @@ class MergeResult<T>(
                 start = r.endInclusive + 1
             }
             if (start < merged.size) {
-                result.add(MergedBlock.Unchanged(merged.slice(start until merged.size), sourceIndices[start]))
+                result.add(
+                    MergedBlock.Unchanged(
+                        merged.slice(start until merged.size),
+                        sourceIndices.indexOf(start)
+                    )
+                )
             }
             result
         }

src/commonTest/kotlin/testMerge.kt

@@ -84,6 +84,10 @@ class BasicTest {
         val b = "456 Hello".toList()
 
         val m = merge3(src, b, a, true)
+//        println(m.toTrace(src))
+//        println(m.changedAreas)
+//        for( b in m.blocks )
+//            println(b)
         val unchanged = m.blocks.last() as MergedBlock.Unchanged
         println(unchanged)
         assertEquals(0, unchanged.referenceIndex)