MeshAlgorithm Surface { list } = algo ;

Parser/Gmsh.y

@@ -4011,12 +4011,12 @@ Constraints :
         List_Delete($2);
       }
     }
-  | tMeshAlgorithm tSurface '{' RecursiveListOfDouble '}' FExpr tEND
+  | tMeshAlgorithm tSurface '{' RecursiveListOfDouble '}' tAFFECT FExpr tEND
     {
       for(int i = 0; i < List_Nbr($4); i++){
 	double d;
 	List_Read($4, i, &d);
-	CTX::instance()->mesh.algo2d_per_face[(int)d] = (int)$6;
+	CTX::instance()->mesh.algo2d_per_face[(int)d] = (int)$7;
       }
     }
   | tRecombine tSurface ListOfDoubleOrAll RecombineAngle tEND

doc/texinfo/gmsh.texi

@@ -2979,6 +2979,9 @@ quadrangle and a right angle (a value of 0 would only accept quadrangles
 with right angles; a value of 90 would allow degenerate quadrangles;
 default value is 45).
 
+@item MeshAlgorithm Surface @{ @var{expression-list} @} = @var{expression};
+Forces the meshing algorithm per surface.
+
 @item Reverse Line | Surface @{ @var{expression-list} @} | "*" ;
 Reverses the mesh of the given line(s) or surface(s).