COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
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C00007 ENDMK
C⊗;
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### math
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.'102@1						2	0	1	'102  B
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					      -------------------------------
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### Current page: 
### nesting level 2
! OK.
p.2,l.4
S $A↓{B↑C↓D\ddt
                }\ddt$ E
↑

### math
boxnoad
.'101@1
↓boxnoad
↓.'102@1
↓↑'103@1
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### vertical
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### Current page: 
### nesting level 1
! OK.
p.2,l.4
S $A↓{B↑C↓D\ddt}\ddt			At beginning of AttachScripts
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