style: clean tests

* tests/named-refs.at: here.

tests/calc.at

@@ -272,12 +272,12 @@ static int power (int base, int exponent);
 ]AT_YYLEX_DECLARE_EXTERN[
 }
 
-]AT_CXX_IF([AT_LOCATION_TYPE_SPAN_IF([[
+]AT_LOCATION_TYPE_SPAN_IF([[
 %initial-action
 {
   @$.first.l = @$.first.c = 1;
   @$.last = @$.first;
-}]])])[
+}]])[
 
 /* Bison Declarations */
 %token CALC_EOF 0 "end of input"
@@ -333,8 +333,7 @@ power (int base, int exponent)
   return res;
 }
 
-]AT_CXX_IF(
-[AT_LOCATION_TYPE_SPAN_IF([[
+]AT_LOCATION_TYPE_SPAN_IF([[
 namespace
 {
   std::ostream&
@@ -348,7 +347,7 @@ namespace
     return o;
   }
 }
-]])])[
+]])[
 ]AT_YYERROR_DEFINE[
 ]AT_DEFINES_IF([],
 [AT_CALC_LEX

tests/named-refs.at

@@ -18,6 +18,7 @@
 # FIXME: Duplication with calc.at.
 AT_BANNER([[Named references tests.]])
 
+# FIXME: large duplication with calc.at.
 AT_SETUP([Tutorial calculator])
 AT_BISON_OPTION_PUSHDEFS
 AT_DATA_GRAMMAR([test.y],
@@ -86,8 +87,7 @@ exp:
 ]AT_YYERROR_DEFINE[
 static int get_char (void)
 {
-  int res = getc (input);
-  return res;
+  return getc (input);
 }
 
 static void unget_char (int c)