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and 4.0.0 dropped the symbolic constants entirely, using keywords instead.So, the syntax of EDIF has a fairly simple foundation. A typical EDIF file looks like this: (edif fibex (edifVersion 2 0 0) (edifLevel 0) (keywordMap (keywordLevel 0)) (status (written (timeStamp 1995 1 1 1 1 1) (program "xxx" (version "v1")))) (library xxx (edifLevel 0) (technology (numberDefinition (scale 1 (e 1 -6) (unit distance)))) (cell dff_4 (cellType generic) (view view1 (viewType netlist) (interface (port aset (direction INPUT)) (port clok (direction INPUT)) ... (cell yyy (cellType generic) (view schematic_ (viewType netlist) (interface (port CLEAR (direction INPUT)) (port CLOCK (direction INPUT)) ... ) (contents (instance I_36_1 (viewRef view1 (cellRef dff_4))) (instance (rename I_36_3 "I$3") (viewRef view1 (cellRef addsub_4))) ... (net CLEAR (joined (portRef CLEAR) (portRef aset (instanceRef I_36_1)) (portRef aset (instanceRef I_36_3)))) ...

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