Merge branch 'longcxt' into rwkv

lm_eval/tasks/ruler/niah_single_1.yaml

@@ -9,7 +9,7 @@ download_dataset: !function niah_utils.niah_single_1
 doc_to_text: "{{input}}"
 doc_to_target: "{{outputs[0]}}"
 gen_prefix: "{{gen_prefix}}"
-target_delimiter: "\n\n"
+target_delimiter: " "
 process_results: !function common_utils.process_results
 metric_list:
   - metric: "4096"