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-rw-r--r--libcpp/include/cpplib.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index e73f77e..298b434 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -557,6 +557,9 @@ struct cpp_options
/* Nonzero for C++23 named universal character escape sequences. */
unsigned char named_uc_escape_seqs;
+ /* Nonzero for C++ and C23 UCNs for characters below 0xa0. */
+ unsigned char low_ucns;
+
/* Nonzero for C2Y 0o prefixed octal integer constants. */
unsigned char octal_constants;