diff --git a/tests/cc/modules/modules.testscript b/tests/cc/modules/modules.testscript
index 681238a..054ecd9 100644
--- a/tests/cc/modules/modules.testscript
+++ b/tests/cc/modules/modules.testscript
@@ -190,16 +190,16 @@ $* test &*.d &?*.ii* <'exe{test}: cxx{driver} mxx{core}' 2>>EOE != 0
     info: consider specifying module name with cxx.module_name
   EOE
 
-: library
-:
-: Test importing a module from a library.
-:
-ln -s ../core.mxx ../core.cxx ../driver.cxx ./;
-$* test clean <<EOI
-  ./: lib{foo} exe{test} # Full build.
-  exe{test}: cxx{driver} lib{foo}
-  lib{foo}: {mxx cxx}{core}
-  EOI
+# : library
+# :
+# : Test importing a module from a library.
+# :
+# ln -s ../core.mxx ../core.cxx ../driver.cxx ./;
+# $* test clean <<EOI
+#   ./: lib{foo} exe{test} # Full build.
+#   exe{test}: cxx{driver} lib{foo}
+#   lib{foo}: {mxx cxx}{core}
+#   EOI
 
 : module-marker
 :
@@ -286,17 +286,17 @@ $* test clean <<EOI
     EOI
   $* test clean <'exe{test}: cxx{driver core} mxx{core base extra foo}'
 
-  : library
-  :
-  ln -s ../base.mxx ../extra.mxx ../foo.mxx ../../core.mxx ../../core.cxx ./;
-  cat <<EOI >=driver.cxx;
-    import foo;
-    int main (int argc, char*[]) {return f (g (argc));}
-    EOI
-  $* test clean <<EOI
-    exe{test}: cxx{driver} mxx{foo} lib{foo}
-    lib{foo}: mxx{core base extra} cxx{core}
-    EOI
+  # : library
+  # :
+  # ln -s ../base.mxx ../extra.mxx ../foo.mxx ../../core.mxx ../../core.cxx ./;
+  # cat <<EOI >=driver.cxx;
+  #   import foo;
+  #   int main (int argc, char*[]) {return f (g (argc));}
+  #   EOI
+  # $* test clean <<EOI
+  #   exe{test}: cxx{driver} mxx{foo} lib{foo}
+  #   lib{foo}: mxx{core base extra} cxx{core}
+  #   EOI
 }
 
 : import
@@ -364,29 +364,29 @@ $* test clean <<EOI
   bmie{foo-core}: mxx{foo-core}
   EOI
 
-: symexport
-:
-: Test the __symexport feature.
-:
-cat <<EOI >=core.mxx;
-  export module foo.core;
-
-  export __symexport int f (int);
-
-  __symexport int g_impl (int i) {return i - 1;}
-  export __symexport inline int g (int i) {return g_impl (i);}
-  EOI
-ln -s ../core.cxx core-f.cxx;
-cat <<EOI >=core-g.cxx;
-  module foo.core;
-  int g_impl (int i) {return i - 1;}
-  EOI
-cat <<EOI >=driver.cxx;
-  import foo.core;
-  int main (int argc, char*[]) {return f (argc) + g (argc);}
-  EOI
-$* test clean <<EOI
-  ./: lib{foo} exe{test} # Full build.
-  exe{test}: cxx{driver} lib{foo}
-  lib{foo}: mxx{core} cxx{core-f} # @@ VC: core-g
-  EOI
+# : symexport
+# :
+# : Test the __symexport feature.
+# :
+# cat <<EOI >=core.mxx;
+#   export module foo.core;
+
+#   export __symexport int f (int);
+
+#   __symexport int g_impl (int i) {return i - 1;}
+#   export __symexport inline int g (int i) {return g_impl (i);}
+#   EOI
+# ln -s ../core.cxx core-f.cxx;
+# cat <<EOI >=core-g.cxx;
+#   module foo.core;
+#   int g_impl (int i) {return i - 1;}
+#   EOI
+# cat <<EOI >=driver.cxx;
+#   import foo.core;
+#   int main (int argc, char*[]) {return f (argc) + g (argc);}
+#   EOI
+# $* test clean <<EOI
+#   ./: lib{foo} exe{test} # Full build.
+#   exe{test}: cxx{driver} lib{foo}
+#   lib{foo}: mxx{core} cxx{core-f} # @@ VC: core-g
+#   EOI