diff --git a/Parser/Gmsh.tab.cpp b/Parser/Gmsh.tab.cpp
index ec7cc45551c7c69b74865fa16caf9c1e6983a58a..6be7c84bd01b1df36cb2fc4429feff2876163539 100644
--- a/Parser/Gmsh.tab.cpp
+++ b/Parser/Gmsh.tab.cpp
@@ -192,7 +192,7 @@
 
 #line 1 "Gmsh.y"
 
-// $Id: Gmsh.tab.cpp,v 1.194 2004-05-30 21:21:41 geuzaine Exp $
+// $Id: Gmsh.tab.cpp,v 1.195 2004-05-31 21:37:22 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -6192,7 +6192,7 @@ case 229:
 	GMSH_PluginManager::instance()->setPluginOption(yyvsp[-6].c, yyvsp[-3].c, yyvsp[-1].d); 
       }
       catch (...) {
-	yymsg(WARNING, "Unknown option '%s' or plugin '%s'", yyvsp[-3].c, yyvsp[-6].c);
+	yymsg(GERROR, "Unknown option '%s' or plugin '%s'", yyvsp[-3].c, yyvsp[-6].c);
       }
     ;
     break;}
@@ -6203,7 +6203,7 @@ case 230:
 	GMSH_PluginManager::instance()->setPluginOption(yyvsp[-6].c, yyvsp[-3].c, yyvsp[-1].c); 
       }
       catch (...) {
-	yymsg(WARNING, "Unknown option '%s' or plugin '%s'", yyvsp[-3].c, yyvsp[-6].c);
+	yymsg(GERROR, "Unknown option '%s' or plugin '%s'", yyvsp[-3].c, yyvsp[-6].c);
       }
     ;
     break;}
@@ -7135,7 +7135,7 @@ case 286:
 	GMSH_PluginManager::instance()->action(yyvsp[-4].c, yyvsp[-1].c, 0);
       }
       catch(...) {
-	yymsg(WARNING, "Unknown action '%s' or plugin '%s'", yyvsp[-1].c, yyvsp[-4].c);
+	yymsg(GERROR, "Unknown action '%s' or plugin '%s'", yyvsp[-1].c, yyvsp[-4].c);
       }
    ;
     break;}
diff --git a/Parser/Gmsh.y b/Parser/Gmsh.y
index 5a93453ba261d14d71b2982cabf72d35f45479bb..35cfc597a8a5b06cc7611b78eed62c72e21c3311 100644
--- a/Parser/Gmsh.y
+++ b/Parser/Gmsh.y
@@ -1,5 +1,5 @@
 %{
-// $Id: Gmsh.y,v 1.170 2004-05-30 21:21:42 geuzaine Exp $
+// $Id: Gmsh.y,v 1.171 2004-05-31 21:37:23 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -1625,7 +1625,7 @@ Affectation :
 	GMSH_PluginManager::instance()->setPluginOption($3, $6, $8); 
       }
       catch (...) {
-	yymsg(WARNING, "Unknown option '%s' or plugin '%s'", $6, $3);
+	yymsg(GERROR, "Unknown option '%s' or plugin '%s'", $6, $3);
       }
     }
   | tPlugin '(' tSTRING ')' '.' tSTRING tAFFECT StringExpr tEND 
@@ -1634,7 +1634,7 @@ Affectation :
 	GMSH_PluginManager::instance()->setPluginOption($3, $6, $8); 
       }
       catch (...) {
-	yymsg(WARNING, "Unknown option '%s' or plugin '%s'", $6, $3);
+	yymsg(GERROR, "Unknown option '%s' or plugin '%s'", $6, $3);
       }
     }
 ;
@@ -2515,7 +2515,7 @@ Command :
 	GMSH_PluginManager::instance()->action($3, $6, 0);
       }
       catch(...) {
-	yymsg(WARNING, "Unknown action '%s' or plugin '%s'", $6, $3);
+	yymsg(GERROR, "Unknown action '%s' or plugin '%s'", $6, $3);
       }
    }
    | tCombine tSTRING tEND
diff --git a/Parser/Gmsh.yy.cpp b/Parser/Gmsh.yy.cpp
index d3906aded87b6f746b226eb75b47dbbae0291462..74cc86716d44c3f1870cf5d34da18f2a384ed1b2 100644
--- a/Parser/Gmsh.yy.cpp
+++ b/Parser/Gmsh.yy.cpp
@@ -2,7 +2,7 @@
 /* A lexical scanner generated by flex */
 
 /* Scanner skeleton version:
- * $Header: /cvsroot/gmsh/Parser/Gmsh.yy.cpp,v 1.193 2004-05-30 21:21:42 geuzaine Exp $
+ * $Header: /cvsroot/gmsh/Parser/Gmsh.yy.cpp,v 1.194 2004-05-31 21:37:23 geuzaine Exp $
  */
 
 #define FLEX_SCANNER
@@ -1019,7 +1019,7 @@ char *yytext;
 #line 1 "Gmsh.l"
 #define INITIAL 0
 #line 2 "Gmsh.l"
-// $Id: Gmsh.yy.cpp,v 1.193 2004-05-30 21:21:42 geuzaine Exp $
+// $Id: Gmsh.yy.cpp,v 1.194 2004-05-31 21:37:23 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
diff --git a/Plugin/StreamLines.cpp b/Plugin/StreamLines.cpp
index 18eb8a2519f6d9d9bc8b44985437b8d38e532970..6d87465fc268ab2f20233b0f2f6c453f48cdcc14 100644
--- a/Plugin/StreamLines.cpp
+++ b/Plugin/StreamLines.cpp
@@ -1,4 +1,4 @@
-// $Id: StreamLines.cpp,v 1.8 2004-05-31 20:09:37 geuzaine Exp $
+// $Id: StreamLines.cpp,v 1.9 2004-05-31 21:37:23 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -86,9 +86,7 @@ void GMSH_StreamLinesPlugin::getInfos(char *author, char *copyright,
 	 "scheme is a RK44. If `iView' < 0, the plugin is run\n"
 	 "on the current view.\n"
 	 "\n"
-	 "Plugin(StreamLines) creates one new view. It is\n"
-	 "nice to choose the displacement mode to see\n"
-	 "vectors and to animate the view ;-)\n");
+	 "Plugin(StreamLines) creates one new view.\n");
 }
 
 int GMSH_StreamLinesPlugin::getNbOptions() const
@@ -135,6 +133,7 @@ Post_View * GMSH_StreamLinesPlugin::GenerateView(Post_View * v) const
 {
   Post_View * View = BeginView(1);
 
+  View->VectorType = DRAW_POST_DISPLACEMENT;
   View->NbTimeStep = (int) StreamLinesOptions_Number[11].def;
 
   double XINIT[3];
diff --git a/doc/texinfo/opt_plugin.texi b/doc/texinfo/opt_plugin.texi
index d05bb6716d91fb35bf8431171fa10c033a26815e..76f15a8896de87477b789a90333bab8f7c08dbbb 100644
--- a/doc/texinfo/opt_plugin.texi
+++ b/doc/texinfo/opt_plugin.texi
@@ -280,9 +280,7 @@ the options `MaxIter' and `DT'. The time stepping
 scheme is a RK44. If `iView' < 0, the plugin is run
 on the current view.
 
-Plugin(StreamLines) creates one new view. It is
-nice to choose the displacement mode to see
-vectors and to animate the view ;-)
+Plugin(StreamLines) creates one new view.
 
 Numeric options:
 @table @code