The final record for each gate is the END record. This record
marks the end of the definition of the gate and its format is:
where the word END is the keyword defining the type of the record and the gate_name is the name of the gate just defined. The gate_name should be the same as the gate_name stated in the BLOCK record defined previously.
Comment lines can be inserted anywhere in the library file. Comment lines begin with the "#" symbol. See the example below for a single cell in the MCNC.LIB file.