#!F-adobe-helvetica-medium-r-normal--18*
#!N 
#!N  #!Rtall229 der Attribute #!N #!N #!N The "der" attribute specifies 
that a component is derived from another component, and so should 
be recalculated or deleted when the component it is derived from 
changes. For example, the "box" component has a "der" attribute that 
is a String Object naming the "positions" component. #!N #!N #!N 
 #!F-adobe-times-medium-i-normal--18*   Next Topic #!EF #!N #!N  #!Ltall231,dxall231 h element type Attribute  #!EL  #!N  #!F-adobe-times-medium-i-normal--18*   #!N 
