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-rw-r--r--subx/051test.subx3
1 files changed, 3 insertions, 0 deletions
diff --git a/subx/051test.subx b/subx/051test.subx
index e0b91d17..08d1d6f6 100644
--- a/subx/051test.subx
+++ b/subx/051test.subx
@@ -78,12 +78,15 @@ $check-ints-equal:end:
 
 == data
 
+# length-prefixed string containing just a single newline
+# convenient to have when printing messages and so on
 Newline:
     # size
     01 00 00 00
     # data
     0a/newline
 
+# every test failure increments this counter
 Num-test-failures:
     00 00 00 00