syntax

benchmarks/2d/Square-Attr1.geo

@@ -15,4 +15,4 @@ Plane Surface(6) = {5};
 Point(11) = {0.5,0.5,-1,lc};                    
 Point(22) = {0.5,0.5,1,lc};                    
 Line(5) = {11,22};                    
-Attractor Line(1,0.1,7) = {5};                             
+Attractor Line{5} = {1,0.1,7};                             

benchmarks/2d/Square-Attr2.geo

@@ -32,4 +32,4 @@ Line(12) = {16,17};
 Line(13) = {17,18};         
 Line(14) = {18,19};         
 Line(15) = {19,20};         
-Attractor Line(.1,0.01,10) = {7,8,9,10,11,12,13,14,15};         
+Attractor Line{7,8,9,10,11,12,13,14,15} = {.1,0.01,10} ; 

benchmarks/2d/Square-Attr3.geo

@@ -13,4 +13,4 @@ Line(4) = {4,3};
 Line Loop(5) = {1,2,3,4};                    
 Plane Surface(6) = {5};      
 Line(5) = {3,1};                    
-Attractor Line(1,0.01,3) = {5};                             
+Attractor Line{5} = {1,0.01,3};                             

benchmarks/2d/Square-Attr4.geo

@@ -13,4 +13,4 @@ Line(4) = {4,3};
 Point(55) = {0.2,.5,0,lc};                 
 Line Loop(5) = {1,2,3,4};                
 Plane Surface(6) = {5};                
-Attractor Point (.01,.1,3.0) = {55};       
+Attractor Point {55} = {.01,.1,3.0};