Merge remote-tracking branch 'origin/develop' into claude/fix-issue-3989-db7e45

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

# Conflicts:
#	include/nlohmann/detail/input/lexer.hpp
#	include/nlohmann/detail/input/parser.hpp
#	single_include/nlohmann/json.hpp
#	tests/src/fuzzer-parse_json.cpp

include/nlohmann/detail/input/binary_reader.hpp

@@ -3742,8 +3742,8 @@ class binary_reader
         return enter_object(detail::unknown_size());
     }
 
-    // Note, no reader for UBJSON binary types is implemented because they do
-    // not exist
+    // Note, UBJSON has no binary type of its own; BJData, which shares this
+    // reader, decodes optimized 'B' arrays as binary in get_ubjson_array().
 
     bool get_ubjson_high_precision_number()
     {
@@ -4649,7 +4649,7 @@ class binary_reader
 #endif
     }
 
-    /*
+    /*!
     @brief read a number from the input
 
     @tparam NumberType the type of the number
@@ -4659,10 +4659,10 @@ class binary_reader
     @return whether conversion completed
 
     @note This function needs to respect the system's endianness, because
-          bytes in CBOR, MessagePack, and UBJSON are stored in network order
-          (big endian) and therefore need reordering on little endian systems.
-          On the other hand, BSON and BJData use little endian and should reorder
-          on big endian systems.
+          bytes in CBOR, MessagePack, UBJSON, and BON8 are stored in network
+          order (big endian) and therefore need reordering on little endian
+          systems. On the other hand, BSON and BJData use little endian and
+          should reorder on big endian systems.
     */
     template<typename NumberType, bool InputIsLittleEndian = false>
     bool get_number(const input_format_t format, NumberType& result)