This is MetaPost, Version 0.641 (Web2C 7.3.7) (mem=mpost 2002.10.2)  2 OCT 2002 10:16
**elements-sequence.gen.mp.4
(elements-sequence.gen.mp.4 (../../navidoc/navidoc/mp/uml.mp)
(elements-sequence.gen.mp.2) (elements-sequence.gen.mp
>> "Vertically: "
>> (xpart cur,ypart cur)
>> foo
>> "Vertically: "
>> (xpart foo.e,ypart foo.e)
>> bar) (elements-sequence.gen.mp.3
>> xpart foo.e-12.38605
>> 0
>> ypart foo.e
>> 0
>> 75.18307
>> 75.18307
>> 0
>> 0
>> -50
>> -50
>> 0
>> 0
>> -55
>> -55
>> -85
>> -85
>> 0
>> 0
>> 75.18307
>> 75.18307
>> -65
>> -65
>> -70
>> -70
>> "drawlifeline"
>> (0,0)
>> "drawlifeline"
>> (75.18307,0)
>> "LINKRECT("bbox","elements-sequence",-53.4944,12.52701,89.98009,-102.74721)"
) [1] )
1 output file written: elements-sequence.gen.mp.1