Duplicate declaration encountered.
          #2092   Compile-time error
          Duplicate declaration encountered.
Additional Information
 The declaration is 'X'.
     where X is a declaration, or
      
 The declaration 'X' clashes with the declaration 'Y', encountered on line N of file 'F'. 
     where X and Y are declarations, and N is a line number in the file named F.
    
Recovery
      Compilation continues but no compiled source code file will be saved.
    
Explanation
 The following declarations may appear at most once in an OmniMark program: escape, newline, break-width, delimiter, namecase entity, namecase general, and symbol.