diff --git a/tests/input.at b/tests/input.at
index 240a51b6..7fdba82f 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -2533,9 +2533,11 @@ AT_CLEANUP
 ## ---------------------------- ##
 ## Unput's effect on locations. ##
 ## ---------------------------- ##
-dnl When the scanner detects a deprecated construct, it unputs the correct
-dnl version, but it should *not* have any impact on the scanner cursor. If it
-dnl does, the locations of directives on the same line become erroneous.
+
+# When the scanner detects a deprecated construct, it unputs the
+# correct version, but it should *not* have any impact on the scanner
+# cursor. If it does, the locations of directives on the same line
+# become erroneous.
 
 AT_SETUP([[Unput's effect on locations]])
 
diff --git a/tests/regression.at b/tests/regression.at
index 82e2764e..e4f4657a 100644
--- a/tests/regression.at
+++ b/tests/regression.at
@@ -450,6 +450,7 @@ AT_BISON_CHECK([-o input.c input.y], [[0]], [[]],
 [[input.y:22.8-14: warning: symbol SPECIAL redeclared [-Wother]
 input.y:22.16-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string [-Wother]
 ]])
+
 AT_BISON_CHECK([-fcaret -o input.c input.y], [[0]], [[]],
 [[input.y:22.8-14: warning: symbol SPECIAL redeclared [-Wother]
  %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"