Tidy up FieldsReader doc

CHANGELOG.md

@@ -5,6 +5,7 @@ Version 78:
 * Use make_unique_noinit
 * Fix warning in zlib
 * Header file tidying
+* Tidy up FieldsReader doc
 
 HTTP:
 

doc/concept/FieldsReader.qbk

@@ -12,6 +12,12 @@ representing the complete serialized HTTP/1 header for a set of fields.
 The implementation constructs an instance of this type when needed, and
 calls into it once to retrieve the buffers.
 
+[heading Associated Types]
+
+* __FieldsReader__
+
+[heading Requirements]
+
 In this table:
 
 * `X` denotes a type that meets the requirements of [*FieldsReader].
@@ -29,7 +35,7 @@ In this table:
 
 * `m` is a value of type [link beast.ref.beast__http__verb `verb`].
 
-[table FieldsReader requirements
+[table Valid expressions
 [[expression][type][semantics, pre/post-conditions]]
 [
     [`X::const_buffers_type`]
@@ -56,14 +62,6 @@ In this table:
         response. The lifetime of `f` is guaranteed
         to end no earlier than after the `X` is destroyed.
     ]
-][
-    [`a.chunked()`]
-    [`bool`]
-    [
-        Called once after construction, this function returns `true`
-        if the [*Transfer-Encoding] field is present, and the last
-        token in its value is "chunked".
-    ]
 ][
     [`a.get()`]
     [`X::const_buffers_type`]
@@ -73,18 +71,14 @@ In this table:
         representation of the HTTP request or response including
         the final carriage return linefeed sequence (`"\r\n"`).
     ]
-][
-    [`is_fields_reader<F>`]
-    [`std::true_type`]
-    [
-        An alias for `std::true_type` for `F`, otherwise an alias
-        for `std::false_type`.
-    ]
-]
-]
+]]
 
 [heading Exemplar]
 
 [concept_FieldsReader]
 
+[heading Models]
+
+* [link beast.ref.beast__http__basic_fields.reader `basic_fields::reader`]
+
 [endsect]

test/exemplars.cpp

@@ -278,10 +278,6 @@ struct FieldsReader
     // Constructor for responses
     FieldsReader(F const& f, unsigned version, unsigned status);
 
-    // Returns `true` if the payload uses the chunked Transfer-Encoding
-    bool
-    chunked();
-
     // Returns `true` if keep-alive is indicated
     bool
     keep_alive();