Regenerate documentation.
diff --git a/asio/src/doc/reference.qbk b/asio/src/doc/reference.qbk
index 857781f..071e49f 100644
--- a/asio/src/doc/reference.qbk
+++ b/asio/src/doc/reference.qbk
@@ -45199,7 +45199,7 @@
 
 ['Header: ][^asio/spawn.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [section:basic_yield_context basic_yield_context::basic_yield_context]
@@ -45247,7 +45247,7 @@
 
 ['Header: ][^asio/spawn.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [endsect]
@@ -45280,7 +45280,7 @@
 
 ['Header: ][^asio/spawn.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [endsect]
@@ -88639,7 +88639,7 @@
 
 ['Header: ][^asio/spawn.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [section:overload1 spawn (1 of 4 overloads)]
@@ -94361,7 +94361,7 @@
 [section:strand strand]
 
 [indexterm1 strand] 
-Typedef for backwards compatibility. 
+(Deprecated: Use [link asio.reference.io_service__strand `io_service::strand`].) Typedef for backwards compatibility. 
 
 
   typedef asio::io_service::strand strand;
@@ -96552,7 +96552,7 @@
 
 ['Header: ][^asio/use_future.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [endsect]
@@ -96621,7 +96621,7 @@
 
 ['Header: ][^asio/use_future.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [section:allocator_type use_future_t::allocator_type]
@@ -96638,7 +96638,7 @@
 
 ['Header: ][^asio/use_future.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [endsect]
@@ -106196,7 +106196,7 @@
 
 ['Header: ][^asio/spawn.hpp]
 
-['Convenience header: ][^asio.hpp]
+['Convenience header: ]None
 
 
 [endsect]
diff --git a/asio/src/doc/tutorial.qbk b/asio/src/doc/tutorial.qbk
index fc1e58a..65bf3e9 100644
--- a/asio/src/doc/tutorial.qbk
+++ b/asio/src/doc/tutorial.qbk
@@ -706,7 +706,7 @@
   ``''''''``  }
 
   ``''''''``private:
-  ``''''''``  asio::strand strand_;
+  ``''''''``  asio::io_service::strand strand_;
   ``''''''``  asio::deadline_timer timer1_;
   ``''''''``  asio::deadline_timer timer2_;
   ``''''''``  int count_;
@@ -805,7 +805,7 @@
   ``''''''``  }
 
   ``''''''``private:
-  ``''''''``  asio::strand strand_;
+  ``''''''``  asio::io_service::strand strand_;
   ``''''''``  asio::deadline_timer timer1_;
   ``''''''``  asio::deadline_timer timer2_;
   ``''''''``  int count_;