anchor.diff:  			if ( offset_uv2 > 0 ) {
   
   				_gl.bindBuffer( gl.ARRAY_BUFFER, geometryGroup.__webglUV2Buffer );
  -				_gl.bufferData( gl.ARRAY_BUFFER, uv2Array, hint );
  +				_gl.bufferDataTyped( gl.ARRAY_BUFFER, uv2Array, hint );
   
   			}
   
  
positive.code: 					}
  
  					_gl.bindBuffer( gl.ARRAY_BUFFER, customAttribute.buffer );
  					_gl.bufferData( gl.ARRAY_BUFFER, customAttribute.array, hint );
  
  				}
  
  
negative.code: 					}
  
  					_gl.bindBuffer( _gl.ARRAY_BUFFER, customAttribute.buffer );
  					_gl.bufferDataTyped( _gl.ARRAY_BUFFER, customAttribute.array, hint );
  
  				}
  
  