@@ -15,10 +15,11 @@
 # import <objfw-rt.h>
 #else
 # import <objc/objc.h>
 #endif
 
+/// \cond internal
 typedef struct __of_block_literal {
 	Class isa;
 	int flags;
 	int reserved;
 	void (*invoke)(void *, ...);
@@ -53,10 +54,11 @@
 	OF_BLOCK_FIELD_IS_BLOCK	 =   7,
 	OF_BLOCK_FIELD_IS_BYREF	 =   8,
 	OF_BLOCK_FIELD_IS_WEAK	 =  16,
 	OF_BLOCK_BYREF_CALLER	 = 128,
 };
+/// \endcond
 
 extern void* _Block_copy(const void*);
 extern void _Block_release(const void*);
 
 #ifndef Block_copy
@@ -64,10 +66,11 @@
 #endif
 #ifndef Block_release
 # define Block_release(x) _Block_release((const void*)(x))
 #endif
 
+/// \cond internal
 @interface OFBlock
 {
 	Class isa;
 }
 
@@ -82,5 +85,6 @@
 @interface OFGlobalBlock: OFBlock
 @end
 
 @interface OFMallocBlock: OFBlock
 @end
+/// \endcond