diff --git a/packages/http b/packages/http
index 373c30a0e..c34733e21 160000
--- a/packages/http
+++ b/packages/http
@@ -1 +1 @@
-Subproject commit 373c30a0e81c72a1fa3cb28b971f075aae28b443
+Subproject commit c34733e2127705ec20a0661245eb2d20b1494dc2
diff --git a/pl/checker.yap b/pl/checker.yap
index f9083528e..72e299c6e 100644
--- a/pl/checker.yap
+++ b/pl/checker.yap
@@ -74,6 +74,20 @@
 @defgroup   YAPStyle Checker
     @ingroup  YAPCompilerSettings
 
+YAP implements a style-checker thay currently verifies whether:
+
+1 named variables occur once in a clause.
+
+2 clauses from dofferent predicates are mixed together.
+
+3 clauses for the same predicate occur in different files.
+
+One can declare a predicate to be discontiguous (see the
+discontiguous/1 declaration) and/or multifile/1.
+
+*/
+
+/*
 @pred style_check(+ _X_)
 
 Turns on style checking according to the attribute specified by  _X_,
@@ -174,6 +188,15 @@ style_check_('?'(Info) ) :-
 style_check_([]).
 style_check_([H|T]) :- style_check(H), style_check(T).
 
+/** @pred no_style_check(+ _X_)
+
+Turns off style checking according to the attribute specified by
+ _X_, which have the same meaning as in style_check/1.
+
+The no_style_check/1 built-in is now deprecated. Please use 
+`set_prolog_flag/1` instead.
+
+**/
 no_style_check(V) :- var(V), !, fail.
 no_style_check(all) :-
 	'$style_checker'( [ -singleton, -discontiguous, -multiple ] ).
diff --git a/pl/preddecls.yap b/pl/preddecls.yap
index 5d67fa028..3942b4912 100644
--- a/pl/preddecls.yap
+++ b/pl/preddecls.yap
@@ -155,17 +155,24 @@ defines all new or redefined predicates to be public.
 	'$flags'(T,Mod,F,NF).
 
 
-/** @pred     multifile) _P_ ) is iso
-A predicate that may be defined in several files.
+/** @pred     multifile( _P_ ) is iso
+
+Declares that a predicate or several predicates may be defined
+throughout several files. _P_ is a collection of one or more predicate
+indicators:
+
+~~~~~~~
+:- multifile user:portray_message/2, multifile user:message_hook/3.
+~~~~~~~
 
 Instructs the compiler about the declaration of a predicate  _P_ in
 more than one file. It must appear in the first of the loaded files
 where the predicate is declared, and before declaration of any of its
 clauses.
 
-Multifile declarations affect [reconsult/1](@ref reconsult) and [compile/1](@ref compile):
-when a multifile predicate is reconsulted, only the clauses from the
-same file are removed.
+Multifile declarations must be supported by reconsult/1 and
+compile/1: when a multifile predicate is reconsulted,
+only the clauses from the same file are removed.
 
 Since YAP4.3.0 multifile procedures can be static or dynamic.
 
@@ -197,14 +204,6 @@ multifile(P) :-
 '$multifile'(P, M) :-
 	'$do_error'(type_error(predicate_indicator,P),multifile(M:P)).
 
-/** @pred no_style_check(+ _X_)
-Turns off style checking according to the attribute specified by
- _X_, which has the same meaning as in style_check/1.
-
-The no_style_check/1 built-in is now deprecated. Please use 
-`set_prolog_flag/1` instead.
-
-**/
 discontiguous(V) :-
 	var(V), !,
 	'$do_error'(instantiation_error,discontiguous(V)).