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-rw-r--r--libcpp/include/cpplib.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index af14291..6e2fcb6 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -482,6 +482,10 @@ struct cpp_options
in C11 and C++11. */
unsigned char c11_identifiers;
+ /* Nonzero means extended identifiers allow the characters specified
+ in C++23. */
+ unsigned char cxx23_identifiers;
+
/* Nonzero for C++ 2014 Standard binary constants. */
unsigned char binary_constants;