Merge branch 'master' of https://github.com/vscosta/yap-6.3

packages/python/examples/plot.yap

@@ -0,0 +1,12 @@
+
+:- [library(python)].
+
+main :-
+	    Plt = matplotlib.pyplot,
+	:= import( Plt ),
+	:= (
+	    Plt.plot([1,2,3,4]),
+	    Plt.ylabel(`some numbers`),
+	    Plt.show()
+	   ).
+

packages/python/pypreds.c

@@ -634,7 +634,7 @@ static int python_import(term_t mname, term_t mod) {
       s = stpcpy(s, sa);
       *s++ = '.';
     } else if (!PL_get_nchars(mname, &len, &s,
-                              CVT_ALL | CVT_EXCEPTION | ENC_ISO_UTF8)) {
+                              CVT_ALL | CVT_EXCEPTION | REP_UTF8)) {
       return false;
     } else {
       break;

packages/python/python.pl

@@ -110,7 +110,10 @@ Data types are
 :- use_module(library(charsio)).
 :- dynamic python_mref_cache/2, python_obj_cache/2.
 
-:= import( F ) :- python_import(F).
+:= (P1,P2) :- !,
+	:= P1,
+	:= P2.
+:= import( F ) :- !, python_import(F).
 := F :- python(F,_).
 
 V := F :- var(V), !, python(F,V0),