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--- a/cppdraft/coroutine/handle/compare.md
+++ b/cppdraft/coroutine/handle/compare.md
@@ -0,0 +1,31 @@
+[coroutine.handle.compare]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.compare)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#compare)
+
+#### 17.13.4.8 Comparison operators [coroutine.handle.compare]
+
+[ð](#lib:operator==,coroutine_handle)
+
+`constexpr bool operator==(coroutine_handle<> x, coroutine_handle<> y) noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6120)
+
+*Returns*: x.address() == y.address()[.](#1.sentence-1)
+
+[ð](#lib:operator%3c=%3e,coroutine_handle)
+
+`constexpr strong_ordering operator<=>(coroutine_handle<> x, coroutine_handle<> y) noexcept;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6131)
+
+*Returns*: compare_three_way()(x.address(), y.address())[.](#2.sentence-1)
--- a/cppdraft/coroutine/handle/con.md
+++ b/cppdraft/coroutine/handle/con.md
@@ -0,0 +1,61 @@
+[coroutine.handle.con]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.con)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#con)
+
+#### 17.13.4.2 Construct/reset [coroutine.handle.con]
+
+[ð](#lib:coroutine_handle,constructor)
+
+`constexpr coroutine_handle() noexcept;
+constexpr coroutine_handle(nullptr_t) noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5916)
+
+*Postconditions*: address() == nullptr[.](#1.sentence-1)
+
+[ð](#lib:from_promise,coroutine_handle)
+
+`static coroutine_handle from_promise(Promise& p);
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5927)
+
+*Preconditions*: p is a reference to a promise object of a coroutine[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5931)
+
+*Postconditions*: addressof(h.promise()) == addressof(p)[.](#3.sentence-1)
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5935)
+
+*Returns*: A coroutine handle h referring to the coroutine[.](#4.sentence-1)
+
+[ð](#lib:operator=,coroutine_handle)
+
+`coroutine_handle& operator=(nullptr_t) noexcept;
+`
+
+[5](#5)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5946)
+
+*Postconditions*: address() == nullptr[.](#5.sentence-1)
+
+[6](#6)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5950)
+
+*Returns*: *this[.](#6.sentence-1)
--- a/cppdraft/coroutine/handle/conv.md
+++ b/cppdraft/coroutine/handle/conv.md
@@ -0,0 +1,20 @@
+[coroutine.handle.conv]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.conv)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#conv)
+
+#### 17.13.4.3 Conversion [coroutine.handle.conv]
+
+[ð](#lib:operator_coroutine_handle%3c%3e,coroutine_handle)
+
+`constexpr operator coroutine_handle<>() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5963)
+
+*Effects*: Equivalent to: return coroutine_handle<>::from_address(address());
--- a/cppdraft/coroutine/handle/export/import.md
+++ b/cppdraft/coroutine/handle/export/import.md
@@ -0,0 +1,54 @@
+[coroutine.handle.export.import]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.export.import)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#export.import)
+
+#### 17.13.4.4 Export/import [coroutine.handle.export.import]
+
+[ð](#lib:address,coroutine_handle)
+
+`constexpr void* address() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5976)
+
+*Returns*: ptr[.](#1.sentence-1)
+
+[ð](#lib:from_address,coroutine_handle)
+
+`static constexpr coroutine_handle<> coroutine_handle<>::from_address(void* addr);
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5987)
+
+*Preconditions*: addr was obtained via a prior call to address on an object whose type is a specialization of coroutine_handle[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5992)
+
+*Postconditions*: from_address(address()) == *this[.](#3.sentence-1)
+
+[ð](#lib:from_address,coroutine_handle_)
+
+`static constexpr coroutine_handle<Promise> coroutine_handle<Promise>::from_address(void* addr);
+`
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6003)
+
+*Preconditions*: addr was obtained via a prior call to address on an object of type cv coroutine_handle<Promise>[.](#4.sentence-1)
+
+[5](#5)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6008)
+
+*Postconditions*: from_address(address()) == *this[.](#5.sentence-1)
--- a/cppdraft/coroutine/handle/general.md
+++ b/cppdraft/coroutine/handle/general.md
@@ -0,0 +1,35 @@
+[coroutine.handle.general]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.general)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#general)
+
+#### 17.13.4.1 General [coroutine.handle.general]
+
+[ð](#lib:coroutine_handle)
+
+namespace std {template<>struct coroutine_handle<void>{// [[coroutine.handle.con]](coroutine.handle.con "17.13.4.2 Construct/reset"), construct/resetconstexpr coroutine_handle() noexcept; constexpr coroutine_handle(nullptr_t) noexcept;
+ coroutine_handle& operator=(nullptr_t) noexcept; // [[coroutine.handle.export.import]](coroutine.handle.export.import "17.13.4.4 Export/import"), export/importconstexpr void* address() const noexcept; static constexpr coroutine_handle from_address(void* addr); // [[coroutine.handle.observers]](coroutine.handle.observers "17.13.4.5 Observers"), observersconstexpr explicit operator bool() const noexcept; bool done() const; // [[coroutine.handle.resumption]](coroutine.handle.resumption "17.13.4.6 Resumption"), resumptionvoid operator()() const; void resume() const; void destroy() const; private:void* ptr; // *exposition only*}; template<class Promise>struct coroutine_handle {// [[coroutine.handle.con]](coroutine.handle.con "17.13.4.2 Construct/reset"), construct/resetconstexpr coroutine_handle() noexcept; constexpr coroutine_handle(nullptr_t) noexcept; static coroutine_handle from_promise(Promise&);
+ coroutine_handle& operator=(nullptr_t) noexcept; // [[coroutine.handle.export.import]](coroutine.handle.export.import "17.13.4.4 Export/import"), export/importconstexpr void* address() const noexcept; static constexpr coroutine_handle from_address(void* addr); // [[coroutine.handle.conv]](coroutine.handle.conv "17.13.4.3 Conversion"), conversionconstexpr operator coroutine_handle<>() const noexcept; // [[coroutine.handle.observers]](coroutine.handle.observers "17.13.4.5 Observers"), observersconstexpr explicit operator bool() const noexcept; bool done() const; // [[coroutine.handle.resumption]](coroutine.handle.resumption "17.13.4.6 Resumption"), resumptionvoid operator()() const; void resume() const; void destroy() const; // [[coroutine.handle.promise]](coroutine.handle.promise "17.13.4.7 Promise access"), promise access Promise& promise() const; private:void* ptr; // *exposition only*};}
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5892)
+
+An object of typecoroutine_handle<T> is called a [*coroutine handle*](#def:coroutine_handle) and can be used to refer to a suspended or executing coroutine[.](#1.sentence-1)
+
+A coroutine_handle object whose
+member address() returns a null pointer value
+does not refer to any
+coroutine[.](#1.sentence-2)
+
+Two coroutine_handle objects refer to the same coroutine
+if and only if their member address() returns the same non-null value[.](#1.sentence-3)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L5903)
+
+If a program declares an explicit or partial specialization ofcoroutine_handle, the behavior is undefined[.](#2.sentence-1)
--- a/cppdraft/coroutine/handle/hash.md
+++ b/cppdraft/coroutine/handle/hash.md
@@ -0,0 +1,20 @@
+[coroutine.handle.hash]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.hash)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#hash)
+
+#### 17.13.4.9 Hash support [coroutine.handle.hash]
+
+[ð](#lib:hash,coroutine_handle)
+
+`template<class P> struct hash<coroutine_handle<P>>;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6144)
+
+The specialization is enabled ([[unord.hash]](unord.hash "22.10.19 Class template hash"))[.](#1.sentence-1)
--- a/cppdraft/coroutine/handle/noop.md
+++ b/cppdraft/coroutine/handle/noop.md
@@ -0,0 +1,109 @@
+[coroutine.handle.noop]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop)
+
+### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop)
+
+#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [coroutine.handle.noop]
+
+#### [17.13.5.2.1](#general) General [[coroutine.handle.noop.general]](coroutine.handle.noop.general)
+
+[ð](#lib:coroutine_handle%3cnoop_coroutine_promise%3e)
+
+namespace std {template<>struct coroutine_handle<noop_coroutine_promise>{// [[coroutine.handle.noop.conv]](#conv "17.13.5.2.2 Conversion"), conversionconstexpr operator coroutine_handle<>() const noexcept; // [[coroutine.handle.noop.observers]](#observers "17.13.5.2.3 Observers"), observersconstexpr explicit operator bool() const noexcept; constexpr bool done() const noexcept; // [[coroutine.handle.noop.resumption]](#resumption "17.13.5.2.4 Resumption"), resumptionconstexpr void operator()() const noexcept; constexpr void resume() const noexcept; constexpr void destroy() const noexcept; // [[coroutine.handle.noop.promise]](#promise "17.13.5.2.5 Promise access"), promise access noop_coroutine_promise& promise() const noexcept; // [[coroutine.handle.noop.address]](#address "17.13.5.2.6 Address"), addressconstexpr void* address() const noexcept; private: coroutine_handle(*unspecified*); void* ptr; // *exposition only*};}
+
+#### [17.13.5.2.2](#conv) Conversion [[coroutine.handle.noop.conv]](coroutine.handle.noop.conv)
+
+[ð](#lib:operator_coroutine_handle%3c%3e,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr operator coroutine_handle<>() const noexcept;
+`
+
+[1](#conv-1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6206)
+
+*Effects*: Equivalent to: return coroutine_handle<>::from_address(address());
+
+#### [17.13.5.2.3](#observers) Observers [[coroutine.handle.noop.observers]](coroutine.handle.noop.observers)
+
+[ð](#lib:operator_bool,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr explicit operator bool() const noexcept;
+`
+
+[1](#observers-1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6219)
+
+*Returns*: true[.](#observers-1.sentence-1)
+
+[ð](#lib:done,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr bool done() const noexcept;
+`
+
+[2](#observers-2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6230)
+
+*Returns*: false[.](#observers-2.sentence-1)
+
+#### [17.13.5.2.4](#resumption) Resumption [[coroutine.handle.noop.resumption]](coroutine.handle.noop.resumption)
+
+[ð](#lib:operator(),coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr void operator()() const noexcept;
+constexpr void resume() const noexcept;
+constexpr void destroy() const noexcept;
+`
+
+[1](#resumption-1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6247)
+
+*Effects*: None[.](#resumption-1.sentence-1)
+
+[2](#resumption-2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6251)
+
+*Remarks*: If noop_coroutine_handle is converted to coroutine_handle<>,
+calls to operator(), resume and destroy on that handle
+will also have no observable effects[.](#resumption-2.sentence-1)
+
+#### [17.13.5.2.5](#promise) Promise access [[coroutine.handle.noop.promise]](coroutine.handle.noop.promise)
+
+[ð](#lib:promise,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`noop_coroutine_promise& promise() const noexcept;
+`
+
+[1](#promise-1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6266)
+
+*Returns*: A reference to the promise object associated with this
+coroutine handle[.](#promise-1.sentence-1)
+
+#### [17.13.5.2.6](#address) Address [[coroutine.handle.noop.address]](coroutine.handle.noop.address)
+
+[ð](#lib:address,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr void* address() const noexcept;
+`
+
+[1](#address-1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6280)
+
+*Returns*: ptr[.](#address-1.sentence-1)
+
+[2](#address-2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6284)
+
+*Remarks*: A noop_coroutine_handle's ptr is always a
+non-null pointer value[.](#address-2.sentence-1)
--- a/cppdraft/coroutine/handle/noop/address.md
+++ b/cppdraft/coroutine/handle/noop/address.md
@@ -0,0 +1,29 @@
+[coroutine.handle.noop.address]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop.address)
+
+### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop.address)
+
+#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [[coroutine.handle.noop]](coroutine.handle.noop#address)
+
+#### 17.13.5.2.6 Address [coroutine.handle.noop.address]
+
+[ð](#lib:address,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr void* address() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6280)
+
+*Returns*: ptr[.](#1.sentence-1)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6284)
+
+*Remarks*: A noop_coroutine_handle's ptr is always a
+non-null pointer value[.](#2.sentence-1)
--- a/cppdraft/coroutine/handle/noop/conv.md
+++ b/cppdraft/coroutine/handle/noop/conv.md
@@ -0,0 +1,22 @@
+[coroutine.handle.noop.conv]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop.conv)
+
+### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop.conv)
+
+#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [[coroutine.handle.noop]](coroutine.handle.noop#conv)
+
+#### 17.13.5.2.2 Conversion [coroutine.handle.noop.conv]
+
+[ð](#lib:operator_coroutine_handle%3c%3e,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr operator coroutine_handle<>() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6206)
+
+*Effects*: Equivalent to: return coroutine_handle<>::from_address(address());
--- a/cppdraft/coroutine/handle/noop/general.md
+++ b/cppdraft/coroutine/handle/noop/general.md
@@ -0,0 +1,15 @@
+[coroutine.handle.noop.general]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop.general)
+
+### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop.general)
+
+#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [[coroutine.handle.noop]](coroutine.handle.noop#general)
+
+#### 17.13.5.2.1 General [coroutine.handle.noop.general]
+
+[ð](#lib:coroutine_handle%3cnoop_coroutine_promise%3e)
+
+namespace std {template<>struct coroutine_handle<noop_coroutine_promise>{// [[coroutine.handle.noop.conv]](coroutine.handle.noop.conv "17.13.5.2.2 Conversion"), conversionconstexpr operator coroutine_handle<>() const noexcept; // [[coroutine.handle.noop.observers]](coroutine.handle.noop.observers "17.13.5.2.3 Observers"), observersconstexpr explicit operator bool() const noexcept; constexpr bool done() const noexcept; // [[coroutine.handle.noop.resumption]](coroutine.handle.noop.resumption "17.13.5.2.4 Resumption"), resumptionconstexpr void operator()() const noexcept; constexpr void resume() const noexcept; constexpr void destroy() const noexcept; // [[coroutine.handle.noop.promise]](coroutine.handle.noop.promise "17.13.5.2.5 Promise access"), promise access noop_coroutine_promise& promise() const noexcept; // [[coroutine.handle.noop.address]](coroutine.handle.noop.address "17.13.5.2.6 Address"), addressconstexpr void* address() const noexcept; private: coroutine_handle(*unspecified*); void* ptr; // *exposition only*};}
--- a/cppdraft/coroutine/handle/noop/observers.md
+++ b/cppdraft/coroutine/handle/noop/observers.md
@@ -0,0 +1,33 @@
+[coroutine.handle.noop.observers]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop.observers)
+
+### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop.observers)
+
+#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [[coroutine.handle.noop]](coroutine.handle.noop#observers)
+
+#### 17.13.5.2.3 Observers [coroutine.handle.noop.observers]
+
+[ð](#lib:operator_bool,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr explicit operator bool() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6219)
+
+*Returns*: true[.](#1.sentence-1)
+
+[ð](#lib:done,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr bool done() const noexcept;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6230)
+
+*Returns*: false[.](#2.sentence-1)
--- a/cppdraft/coroutine/handle/noop/promise.md
+++ b/cppdraft/coroutine/handle/noop/promise.md
@@ -0,0 +1,23 @@
+[coroutine.handle.noop.promise]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop.promise)
+
+### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop.promise)
+
+#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [[coroutine.handle.noop]](coroutine.handle.noop#promise)
+
+#### 17.13.5.2.5 Promise access [coroutine.handle.noop.promise]
+
+[ð](#lib:promise,coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`noop_coroutine_promise& promise() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6266)
+
+*Returns*: A reference to the promise object associated with this
+coroutine handle[.](#1.sentence-1)
--- a/cppdraft/coroutine/handle/noop/resumption.md
+++ b/cppdraft/coroutine/handle/noop/resumption.md
@@ -0,0 +1,32 @@
+[coroutine.handle.noop.resumption]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop.resumption)
+
+### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop.resumption)
+
+#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [[coroutine.handle.noop]](coroutine.handle.noop#resumption)
+
+#### 17.13.5.2.4 Resumption [coroutine.handle.noop.resumption]
+
+[ð](#lib:operator(),coroutine_handle%3cnoop_coroutine_promise%3e)
+
+`constexpr void operator()() const noexcept;
+constexpr void resume() const noexcept;
+constexpr void destroy() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6247)
+
+*Effects*: None[.](#1.sentence-1)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6251)
+
+*Remarks*: If noop_coroutine_handle is converted to coroutine_handle<>,
+calls to operator(), resume and destroy on that handle
+will also have no observable effects[.](#2.sentence-1)
--- a/cppdraft/coroutine/handle/observers.md
+++ b/cppdraft/coroutine/handle/observers.md
@@ -0,0 +1,38 @@
+[coroutine.handle.observers]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.observers)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#observers)
+
+#### 17.13.4.5 Observers [coroutine.handle.observers]
+
+[ð](#lib:operator_bool,coroutine_handle)
+
+`constexpr explicit operator bool() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6021)
+
+*Returns*: address() != nullptr[.](#1.sentence-1)
+
+[ð](#lib:done,coroutine_handle)
+
+`bool done() const;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6032)
+
+*Preconditions*: *this refers to a suspended coroutine[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6036)
+
+*Returns*: true if the coroutine is suspended at its
+final suspend point, otherwise false[.](#3.sentence-1)
--- a/cppdraft/coroutine/handle/promise.md
+++ b/cppdraft/coroutine/handle/promise.md
@@ -0,0 +1,26 @@
+[coroutine.handle.promise]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.promise)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#promise)
+
+#### 17.13.4.7 Promise access [coroutine.handle.promise]
+
+[ð](#lib:promise,coroutine_handle)
+
+`Promise& promise() const;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6102)
+
+*Preconditions*: *this refers to a coroutine[.](#1.sentence-1)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6106)
+
+*Returns*: A reference to the promise of the coroutine[.](#2.sentence-1)
--- a/cppdraft/coroutine/handle/resumption.md
+++ b/cppdraft/coroutine/handle/resumption.md
@@ -0,0 +1,71 @@
+[coroutine.handle.resumption]
+
+# 17 Language support library [[support]](./#support)
+
+## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.resumption)
+
+### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#resumption)
+
+#### 17.13.4.6 Resumption [coroutine.handle.resumption]
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6044)
+
+Resuming a coroutine via resume, operator(), or destroy on an execution agent other than the one on which it was suspended
+has implementation-defined behavior
+unless
+each execution agent either is
+an instance of std::thread or std::jthread,
+or is the thread that executes main[.](#1.sentence-1)
+
+[*Note [1](#note-1)*:
+
+A coroutine that is resumed on a different execution agent should
+avoid relying on consistent thread identity throughout, such as holding
+a mutex object across a suspend point[.](#1.sentence-2)
+
+â *end note*]
+
+[*Note [2](#note-2)*:
+
+A concurrent resumption of the coroutine can result in a data race[.](#1.sentence-3)
+
+â *end note*]
+
+[ð](#lib:operator(),coroutine_handle)
+
+`void operator()() const;
+void resume() const;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6069)
+
+*Preconditions*: *this refers to a suspended coroutine[.](#2.sentence-1)
+
+The coroutine is not suspended at its final suspend point[.](#2.sentence-2)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6074)
+
+*Effects*: Resumes the execution of the coroutine[.](#3.sentence-1)
+
+[ð](#lib:destroy,coroutine_handle)
+
+`void destroy() const;
+`
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6085)
+
+*Preconditions*: *this refers to a suspended coroutine[.](#4.sentence-1)
+
+[5](#5)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6089)
+
+*Effects*: Destroys the coroutine ([[dcl.fct.def.coroutine]](dcl.fct.def.coroutine "9.6.4 Coroutine definitions"))[.](#5.sentence-1)