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Doxyfile

@@ -1980,7 +1980,7 @@ INCLUDE_FILE_PATTERNS  =
 # recursively expanded use the := operator instead of the = operator.
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
-PREDEFINED             = _DOXYGEN_
+PREDEFINED             = EOSIO_CDT_DOXYGEN
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
 # tag can be used to specify a list of macro names that should be expanded. The

libraries/eosiolib/contracts/eosio/key_value.hpp

@@ -177,7 +177,7 @@ struct key_type {
 };
 
 namespace detail {
-   constexpr static size_t max_stack_buffer_size = 512;
+   constexpr inline size_t max_stack_buffer_size = 512;
 }
 
 /* @cond PRIVATE */
@@ -372,7 +372,7 @@ inline key_type make_key(std::tuple<Args...> val) {
 /* @endcond */
 
 // This is the "best" way to document a function that does not technically exist using Doxygen.
-#if _DOXYGEN_
+#if EOSIO_CDT_DOXYGEN
 /**
  * @brief A function for converting types to the appropriate binary representation for the EOSIO Key Value database.
  * @details The CDT provides implementations of this function for many of the common primitives and for structs/tuples.