Move Accessing Slots' inside Introspection'.

* doc/ref/goops.texi (Introspection): Move `Accessing Slots' into
  here, and flatten it, except for `Handling Slot Access Errors'.
  (GOOPS Error Handling): Move `Handling Slot Access Errors' here.

doc/ref/goops.texi

@@ -46,7 +46,6 @@ module.  You can do this at the Guile REPL by evaluating:
 * Inheritance::                 
 * Introspection::
 * Class Options::
-* Accessing Slots::
 * Generic Functions and Accessors::
 * Redefining a Class::
 * Changing the Class of an Instance::
@@ -1273,6 +1272,7 @@ GOOPS equivalents --- to be obtained dynamically, at run time.
 * Instances::
 * Slots::
 * Generic Functions::
+* Accessing Slots::
 @end menu
 
 @node Classes
@@ -1508,40 +1508,8 @@ Return an expression that prints to show the definition of method
 @end deffn
 
 
-@node Class Options
-@section Class Options
-
-@deffn {class option} #:metaclass metaclass
-The @code{#:metaclass} class option specifies the metaclass of the class
-being defined.  @var{metaclass} must be a class that inherits from
-@code{<class>}.  For the use of metaclasses, see @ref{Metaobjects and
-the Metaobject Protocol} and @ref{Terminology}.
-
-If the @code{#:metaclass} option is absent, GOOPS reuses or constructs a
-metaclass for the new class by calling @code{ensure-metaclass}
-(@pxref{Class Definition Internals,, ensure-metaclass}).
-@end deffn
-
-@deffn {class option} #:name name
-The @code{#:name} class option specifies the new class's name.  This
-name is used to identify the class whenever related objects - the class
-itself, its instances and its subclasses - are printed.
-
-If the @code{#:name} option is absent, GOOPS uses the first argument to
-@code{define-class} as the class name.
-@end deffn
-
 @node Accessing Slots
-@section Accessing Slots
+@subsection Accessing Slots
-
-@menu
-* Instance Slots::
-* Class Slots::
-* Handling Slot Access Errors::
-@end menu
-
-@node Instance Slots
-@subsection Instance Slots
 
 Any slot, regardless of its allocation, can be queried, referenced and
 set using the following four primitive procedures.
@@ -1633,9 +1601,6 @@ slot called @var{slot-name} (@pxref{Handling Slot Access Errors,
 slot-missing}).
 @end deffn
 
-@node Class Slots
-@subsection Class Slots
-
 Slots whose allocation is per-class rather than per-instance can be
 referenced and set without needing to specify any particular instance.
 
@@ -1661,37 +1626,31 @@ allocation, @code{class-slot-ref} calls the @code{slot-missing} generic
 function with arguments @var{class} and @var{slot-name}.
 @end deffn
 
-@node Handling Slot Access Errors
-@subsection Handling Slot Access Errors
 
-GOOPS calls one of the following generic functions when a ``slot-ref''
+@node Class Options
-or ``slot-set!'' call specifies a non-existent slot name, or tries to
+@section Class Options
-reference a slot whose value is unbound.
 
-@deffn generic slot-missing
+@deffn {class option} #:metaclass metaclass
-@deffnx method slot-missing (class <class>) slot-name
+The @code{#:metaclass} class option specifies the metaclass of the class
-@deffnx method slot-missing (class <class>) (object <object>) slot-name
+being defined.  @var{metaclass} must be a class that inherits from
-@deffnx method slot-missing (class <class>) (object <object>) slot-name value
+@code{<class>}.  For the use of metaclasses, see @ref{Metaobjects and
-When an application attempts to reference or set a class or instance
+the Metaobject Protocol} and @ref{Terminology}.
-slot by name, and the slot name is invalid for the specified @var{class}
-or @var{object}, GOOPS calls the @code{slot-missing} generic function.
 
-The default methods all call @code{goops-error} with an appropriate
+If the @code{#:metaclass} option is absent, GOOPS reuses or constructs a
-message.
+metaclass for the new class by calling @code{ensure-metaclass}
+(@pxref{Class Definition Internals,, ensure-metaclass}).
 @end deffn
 
-@deffn generic slot-unbound
+@deffn {class option} #:name name
-@deffnx method slot-unbound (object <object>)
+The @code{#:name} class option specifies the new class's name.  This
-@deffnx method slot-unbound (class <class>) slot-name
+name is used to identify the class whenever related objects - the class
-@deffnx method slot-unbound (class <class>) (object <object>) slot-name
+itself, its instances and its subclasses - are printed.
-When an application attempts to reference a class or instance slot, and
-the slot's value is unbound, GOOPS calls the @code{slot-unbound} generic
-function.
 
-The default methods all call @code{goops-error} with an appropriate
+If the @code{#:name} option is absent, GOOPS uses the first argument to
-message.
+@code{define-class} as the class name.
 @end deffn
 
+
 @node Generic Functions and Accessors
 @section Generic Functions and Accessors
 
@@ -1942,6 +1901,42 @@ from @var{format-string} and @var{args}.  Error message formatting is
 as done by @code{scm-error}.
 @end deffn
 
+@menu
+* Handling Slot Access Errors::
+@end menu
+
+
+@node Handling Slot Access Errors
+@subsection Handling Slot Access Errors
+
+GOOPS calls one of the following generic functions when a ``slot-ref''
+or ``slot-set!'' call specifies a non-existent slot name, or tries to
+reference a slot whose value is unbound.
+
+@deffn generic slot-missing
+@deffnx method slot-missing (class <class>) slot-name
+@deffnx method slot-missing (class <class>) (object <object>) slot-name
+@deffnx method slot-missing (class <class>) (object <object>) slot-name value
+When an application attempts to reference or set a class or instance
+slot by name, and the slot name is invalid for the specified @var{class}
+or @var{object}, GOOPS calls the @code{slot-missing} generic function.
+
+The default methods all call @code{goops-error} with an appropriate
+message.
+@end deffn
+
+@deffn generic slot-unbound
+@deffnx method slot-unbound (object <object>)
+@deffnx method slot-unbound (class <class>) slot-name
+@deffnx method slot-unbound (class <class>) (object <object>) slot-name
+When an application attempts to reference a class or instance slot, and
+the slot's value is unbound, GOOPS calls the @code{slot-unbound} generic
+function.
+
+The default methods all call @code{goops-error} with an appropriate
+message.
+@end deffn
+
 @node Object Comparisons
 @section Object Comparisons