Index: src/OFBlock.h
==================================================================
--- src/OFBlock.h
+++ src/OFBlock.h
@@ -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

Index: src/OFBlock.m
==================================================================
--- src/OFBlock.m
+++ src/OFBlock.m
@@ -214,10 +214,11 @@
 	}
 }
 
 static Class autoreleasepool = Nil;
 
+/// \cond internal
 @implementation OFBlock
 - copy
 {
 	return Block_copy(self);
 }
@@ -239,5 +240,6 @@
 	[autoreleasepool addObject: self];
 
 	return self;
 }
 @end
+/// \endcond

Index: src/OFXMLElement.h
==================================================================
--- src/OFXMLElement.h
+++ src/OFXMLElement.h
@@ -16,10 +16,13 @@
 @class OFMutableString;
 @class OFMutableArray;
 @class OFMutableDictionary;
 @class OFXMLAttribute;
 
+/**
+ * \brief A class which stores an XML element.
+ */
 @interface OFXMLElement: OFObject
 {
 	OFString *name;
 	OFString *ns;
 	OFString *defaultNamespace;