Based on upstream commits f7e596e and a925fdf, fixed in 3.0.1

--- a/doc/asdf.texinfo
+++ b/doc/asdf.texinfo
@@ -6,19 +6,19 @@
 
 @c We use @&key, etc to escape & from TeX in lambda lists --
 @c so we need to define them for info as well.
-@macro &allow-other-keys
+@macro Aallow-other-keys
 &allow-other-keys
 @end macro
-@macro &optional
+@macro Aoptional
 &optional
 @end macro
-@macro &rest
+@macro Arest
 &rest
 @end macro
-@macro &key
+@macro Akey
 &key
 @end macro
-@macro &body
+@macro Abody
 &body
 @end macro
 
@@ -846,7 +846,7 @@ simple-component-name := string
 
 pathname-specifier := pathname | string | symbol
 
-method-form := (operation-name qual lambda-list @&rest body)
+method-form := (operation-name qual lambda-list @Arest body)
 qual := method qualifier
 
 component-dep-fail-option := :fail | :try-next | :ignore
@@ -1137,8 +1137,8 @@ and easier than having them all be @code{EQL} methods.
 
 Operations are invoked on systems via @code{operate}.
 @anchor{operate}
-@deffn {Generic function} @code{operate} @var{operation} @var{system} @&rest @var{initargs}
-@deffnx {Generic function} @code{oos} @var{operation} @var{system} @&rest @var{initargs}
+@deffn {Generic function} @code{operate} @var{operation} @var{system} @Arest @var{initargs}
+@deffnx {Generic function} @code{oos} @var{operation} @var{system} @Arest @var{initargs}
 @code{operate} invokes @var{operation} on @var{system}.
 @code{oos} is a synonym for @code{operate}.
 
@@ -1171,7 +1171,7 @@ They are invoked via the @code{operate} generic function.
 (asdf:operate 'asdf:@var{operation-name} :@var{system-name} @{@var{operation-options ...}@})
 @end lisp
 
-@deffn Operation @code{compile-op} @&key @code{proclamations}
+@deffn Operation @code{compile-op} @Akey @code{proclamations}
 
 This operation compiles the specified component.
 If proclamations are supplied, they will be proclaimed.
@@ -1188,7 +1188,7 @@ does not necessarily load all the parts of the system, though;
 use @code{load-op} to load a system.
 @end deffn
 
-@deffn Operation @code{load-op} @&key @code{proclamations}
+@deffn Operation @code{load-op} @Akey @code{proclamations}
 
 This operation loads a system.
 
@@ -1228,7 +1228,7 @@ in a way that is compatible with all of the various test libraries
 and test techniques in use in the community.
 @end deffn
 
-@c @deffn Operation test-system-version @&key minimum
+@c @deffn Operation test-system-version @Akey minimum
 
 @c Asks the system whether it satisfies a version requirement.
 
@@ -1971,7 +1971,7 @@ The specified functions are exported from your build system's package.
 Thus for ASDF the corresponding functions are in package ASDF,
 and for XCVB the corresponding functions are in package XCVB.
 
-@defun initialize-source-registry @&optional PARAMETER
+@defun initialize-source-registry @Aoptional PARAMETER
    will read the configuration and initialize all internal variables.
    You may extend or override configuration
    from the environment and configuration files
@@ -1996,7 +1996,7 @@ and for XCVB the corresponding functions are in package XCVB.
    where to look for systems not yet defined.
 @end defun
 
-@defun ensure-source-registry @&optional PARAMETER
+@defun ensure-source-registry @Aoptional PARAMETER
    checks whether a source registry has been initialized.
    If not, initialize it with the given @var{PARAMETER}.
 @end defun
@@ -2221,7 +2221,7 @@ as configured by the system distributor, or by default.
 Nevertheless, if you are a fan of @code{ASDF-Binary-Locations},
 we provide a limited emulation mode:
 
-@defun asdf:enable-asdf-binary-locations-compatibility @&key centralize-lisp-binaries default-toplevel-directory include-per-user-information map-all-source-files source-to-target-mappings
+@defun asdf:enable-asdf-binary-locations-compatibility @Akey centralize-lisp-binaries default-toplevel-directory include-per-user-information map-all-source-files source-to-target-mappings
 This function will initialize the new @code{asdf-output-translations} facility in a way
 that emulates the behavior of the old @code{ASDF-Binary-Locations} facility.
 Where you would previously set global variables
@@ -2458,7 +2458,7 @@ To explicitly flush any information cached by the system, use the API below.
 
 The specified functions are exported from package ASDF.
 
-@defun initialize-output-translations @&optional PARAMETER
+@defun initialize-output-translations @Aoptional PARAMETER
    will read the configuration and initialize all internal variables.
    You may extend or override configuration
    from the environment and configuration files
@@ -2489,7 +2489,7 @@ The specified functions are exported from package ASDF.
    where to look for systems not yet defined.
 @end defun
 
-@defun ensure-output-translations @&optional PARAMETER
+@defun ensure-output-translations @Aoptional PARAMETER
    checks whether output translations have been initialized.
    If not, initialize them with the given @var{PARAMETER}.
    This function will be called before any attempt to operate on a system.
@@ -2582,7 +2582,7 @@ The valid values for these variables are
 ASDF includes several additional features that are generally
 useful for system definition and development. These include:
 
-@defun system-relative-pathname system name @&key type
+@defun system-relative-pathname system name @Akey type
 
 It's often handy to locate a file relative to some system.
 The @code{system-relative-pathname} function meets this need.