Those testcases are not a bug, but actually correct. See TIP #619: Starting with Tcl 9.0, surrogates are no longer combined automatically.

This has no relation with -profile, which only specifies whether to throw an exception or use a replacement character.

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/encodingVectors.tcl b/tests/encodingVectors.tcl
index a0bd552..c73b7f7 100644
--- a/tests/encodingVectors.tcl
+++ b/tests/encodingVectors.tcl
@@ -343,10 +343,10 @@ lappend encInvalidBytes {*}{
     utf-8 EDBFBF tcl8       \uDFFF          -1 {}  {Low surrogate}
     utf-8 EDBFBF replace    \uFFFD          -1 {}  {Low surrogate}
     utf-8 EDBFBF strict     {}               0 {}  {Low surrogate}
-    utf-8 EDA080EDB080 tcl8 \U00010000      -1 {knownBug}  {High low surrogate pair}
+    utf-8 EDA080EDB080 tcl8 \uD800\uDC00    -1 {}  {High low surrogate pair}
     utf-8 EDA080EDB080 replace \uFFFD\uFFFD -1 {}  {High low surrogate pair}
     utf-8 EDA080EDB080 strict {}             0 {}  {High low surrogate pair}
-    utf-8 EDAFBFEDBFBF tcl8 \U0010FFFF      -1 {knownBug}  {High low surrogate pair}
+    utf-8 EDAFBFEDBFBF tcl8 \uDBFF\uDFFF    -1 {}  {High low surrogate pair}
     utf-8 EDAFBFEDBFBF replace \uFFFD\uFFFD -1 {}  {High low surrogate pair}
     utf-8 EDAFBFEDBFBF strict {}             0 {}  {High low surrogate pair}