fix the op changes

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2097 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

LGPL/prolog_xref.pl

@@ -1,4 +1,4 @@
-/*  $Id: prolog_xref.pl,v 1.2 2008-02-12 18:10:48 vsc Exp $
+/*  $Id: prolog_xref.pl,v 1.3 2008-02-13 14:42:55 vsc Exp $
 
     Part of SWI-Prolog
 
@@ -538,7 +538,7 @@ process_meta_predicate(Decl) :-
 	    ;   meta_goal(Head, _)
 	    )
 	->  true
-	;   assert(meta_goal(Head, Meta))
+	;   assert(prolog:meta_goal(Head, Meta))
 	).
 
 meta_args(I, Arity, _, _, []) :-

docs/yap.tex

@@ -2341,7 +2341,7 @@ several small modules. The following declarations can be used for that purpose:
 @snindex reexport/1
 @cnindex reexport/1
 Export all predicates defined in file @var{F} as if they were defined in
-the curremt module.
+the current module.
 
 @item reexport(+@var{F},+@var{Decls})
 @findex reexport/2

pl/utils.yap

@@ -254,13 +254,14 @@ op(P,T,V) :-
 	 '$do_error'(domain_error(out_of_range,P),G)
 	;
 	 \+ '$associativity'(T) ->
-	 '$do_error'(domain_error(operator_specifier,P),G)
+	 '$do_error'(domain_error(operator_specifier,T),G)
 	;
 	 '$check_op_name'(V,G)
 	).
 
 '$associativity'(xfx).
 '$associativity'(xfy).
+'$associativity'(yfx).
 '$associativity'(yfy).
 '$associativity'(xf).
 '$associativity'(yf).