diff --git a/data/glr.c b/data/glr.c
index 7675ac33..ce81510b 100644
--- a/data/glr.c
+++ b/data/glr.c
@@ -855,7 +855,7 @@ yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
 
   switch (yyn)
     {
-      ]b4_mergers[
+]b4_mergers[
       default: break;
     }
 }
diff --git a/tests/calc.at b/tests/calc.at
index 89cc59ea..03530a0c 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -506,7 +506,9 @@ m4_define([AT_CHECK_SPACES],
 [# No initial empty lines.
 AT_CHECK([sed -ne '/./q;=;p;' $1])
 # No trailing spaces.
-# FIXME: For 2.7: AT_CHECK([sed -ne '/[ ]$/{=;p;}' $1])
+AT_CHECK([sed -ne '/[ ]$/{=;p;}' $1])
+# No tabulations.
+AT_CHECK([sed -ne '/[	]/{=;p;}' $1])
 # No final empty lines.
 AT_CHECK([sed -ne '${/^$/{=;p;};}' $1])
 ])