Describe the evaluator and half-open line ranges

README.md

@@ -67,12 +67,14 @@ and without commits after the snapshot.
 
 ### Gold blocks
 
-Each block gives a repository-relative `file`, the enclosing `function`, and an
-inclusive `start_line`/`end_line` range in the pre-fix snapshot. Blocks capture
-the annotated causal implementation established through issue resolution, not
-every location where the bug could be repaired. Use the evaluator in the
-GitHub repository to score diagnoses; it reports file-, function-, line-, and
-block-level coverage and precision.
+Each block gives a repository-relative `file`, the enclosing `function`, and a
+`start_line`/`end_line` range in the pre-fix snapshot, scored as half-open
+`[start_line, end_line)`. Blocks capture the annotated causal implementation
+established through issue resolution, not every location where the bug could
+be repaired. Score diagnoses with the evaluator in the GitHub repository; it
+reproduces the paper's scores and reports file-, function-, line-, and
+block-level coverage and precision, plus strict block coverage and mention
+coverage.
 
 ## DistDebug-Bench Lite
 

croissant.json

@@ -666,7 +666,7 @@
           "@type": "cr:Field",
           "@id": "gold_blocks/start_line",
           "name": "start_line",
-          "description": "First line of the block (1-based, inclusive) in the pre-fix snapshot.",
+          "description": "First line of the block (1-based) in the pre-fix snapshot.",
           "dataType": "sc:Integer",
           "source": {
             "fileObject": {
@@ -681,7 +681,7 @@
           "@type": "cr:Field",
           "@id": "gold_blocks/end_line",
           "name": "end_line",
-          "description": "Last line of the block (inclusive).",
+          "description": "End of the block; the evaluator scores ranges as half-open [start_line, end_line).",
           "dataType": "sc:Integer",
           "source": {
             "fileObject": {