test: repoint retired-carrier citations at the tool ports

test/lang/opaque_decl_test.ww

@@ -11,8 +11,8 @@
 //
 // This fold (a) deliberately does NOT test bare `let x: opaque`, `size(opaque)`,
 // an `opaque` (bare) struct field, `[N]opaque`, or `[]opaque` INDEXING: those
-// are the use-restriction GUARDS of sub-fold (b) (test/wcc/961_opaque_guards.c,
-// reject rows — out of this fold-2 chunk). Every row here stays behind
+// are the use-restriction GUARDS of sub-fold (b) (test/tool/rejects_test.ww
+// opaque_guards rows — out of this fold-2 chunk). Every row here stays behind
 // indirection.
 
 package opaque_decl_test;

test/lang/uniesc_test.ww

@@ -1,5 +1,7 @@
 // uniesc_test — in-language behavior rows for \u / \U / \x escapes,
-// migrated from test/wcc/110_uniesc_run.c (task #12 proof-of-path). The
+// migrated from the retired 110_uniesc_run carrier (task #12
+// proof-of-path; its .wwi round-trip half now lives in
+// test/tool/wwirune_test.ww). The
 // compiler-under-test compiles THIS file, so a miscompile of an escape
 // decode fails the assert in-language rather than via an external runner.
 //