diff --git a/devel/compiler/Eval.hs b/devel/compiler/Eval.hs
index b59fb53f2..f0c4f1303 100644
--- a/devel/compiler/Eval.hs
+++ b/devel/compiler/Eval.hs
@@ -52,8 +52,6 @@ eval e = case e of
     ---- pattern match first
     return $ compVal [] $ VPro t' v' ---- []
 
-  EPro t v -> do
+  EPro t v@(Lab _ i) -> do
     t' <- eval t
-    ---- project first
-    return $ VPro t' (VPar 666) ---- lookup label
-
+    return $ compVal [] $ VPro t' (VPar i)
diff --git a/devel/compiler/Src.cf b/devel/compiler/Src.cf
index d3b29ee45..5a49b2341 100644
--- a/devel/compiler/Src.cf
+++ b/devel/compiler/Src.cf
@@ -20,10 +20,12 @@ coercions Type 1 ;
 
 terminator Type "" ;
 
-FTyp. Typing ::= Ident ":" Type ;
+FTyp. Typing ::= Label ":" Type ;
 
 separator Typing ";" ;
 
+Lab.  Label ::= Ident "#" Integer ;
+
 EVar. Exp2 ::= "$" Ident ;
 EOpr. Exp2 ::= "&" Ident ;
 ECon. Exp2 ::= Ident ;
@@ -33,7 +35,7 @@ ECst. Exp2 ::= "(" Ident "@" [Exp] ")" ;
 ERec. Exp2 ::= "{" [Assign] "}" ;
 EApp. Exp1 ::= Exp1 Exp2 ;
 ESel. Exp1 ::= Exp1 "!" Exp2 ;
-EPro. Exp1 ::= Exp1 "." Exp2 ;
+EPro. Exp1 ::= Exp1 "." Label ;
 ETab. Exp1 ::= "table" Type "{" [Case] "}" ;
 ECat. Exp  ::= Exp "++" Exp1 ;
 EAbs. Exp  ::= "\\" Ident "->" Exp ;
@@ -42,7 +44,7 @@ coercions Exp 2 ;
 
 separator Exp "," ;
 
-FExp. Assign ::= Ident "=" Exp ;
+FExp. Assign ::= Label "=" Exp ;
 
 separator Assign ";" ;
 
@@ -57,7 +59,7 @@ PCon. Patt ::= "(" Ident [Patt] ")" ;
 
 terminator Patt "" ;
 
-FPatt. AssPatt ::= Ident "=" Patt ;
+FPatt. AssPatt ::= Label "=" Patt ;
 
 separator AssPatt ";" ;
 
diff --git a/devel/compiler/ex.src b/devel/compiler/ex.src
index 6169cb5ee..241fd96b4 100644
--- a/devel/compiler/ex.src
+++ b/devel/compiler/ex.src
@@ -3,10 +3,10 @@ param Gen = Masc | Fem ;
 
 param AG = A Num Gen ;
 
-oper Agr = {g : Gen ; n : Num} ;
+oper Agr = {g#0 : Gen ; n#1 : Num} ;
 
-oper CN = {s : Num -> Str ; g : Gen} ;
-oper NP = {s : Str ; a : Agr} ;
+oper CN = {s#1 : Num -> Str ; g#0 : Gen} ;
+oper NP = {s#1 : Str ; a#0 : Agr} ;
 
 oper artDef : Gen -> Str = \g -> table Gen {
   (Masc) => "le" ;
@@ -14,29 +14,32 @@ oper artDef : Gen -> Str = \g -> table Gen {
 } ! $g ;
 
 lin Voiture : CN = {
-  s = table Num {
+  s#1 = table Num {
     (Sg) => "voiture" ;
     (Pl) => "voitures"
   } ;
-  g = (Fem@)
+  g#0 = (Fem@)
 } ;
 
 
 lin Bus : CN = {
-  s = table Num {$x => "bus"} ;
-  g = (Masc@)
+  s#1 = table Num {$x => "bus"} ;
+  g#0 = (Masc@)
 } ;
 
 lin Indef : CN -> NP = \cn -> {
-  s = table Gen {
+  s#1 = table Gen {
         (Masc) => "un" ;
         $x     => "une"
-        } ! $cn.g ++ $cn.s ! (Sg@) ;
-  a = {g = $cn.g ; n = (Sg@)} 
+        } ! $cn.g#0 ++ $cn.s#1 ! (Sg@) ;
+  a#0 = {g#0 = $cn.g#0 ; n#1 = (Sg@)} 
 } ;
 
 
 lin Def : CN -> NP = \cn -> {
-  s = &artDef $cn.g ++ $cn.s ! (Sg@) ;
-  a = {g = $cn.g ; n = (Sg@)} 
+  s#1 = &artDef $cn.g#0 ++ $cn.s#1 ! (Sg@) ;
+  a#0 = {g#0 = $cn.g#0 ; n#1 = (Sg@)} 
 } ;
+
+lin UneVoiture : NP = Indef Voiture ;
+lin LaVoiture : NP = Def Voiture ;