In biology, cell theory is a scientific theory which describes the properties of cells. These cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
The doctype declaration should be the very first thing in an HTML document, before the <html> tag. The doctype declaration is not an HTML tag; it is an instruction to the web browser about what version of the markup language the page is written in. The doctype declaration refers to a Document Type Definition (DTD).
Declaration section must contain local function declarations after variables declaration. If you want to initialize a variable by a function, you have to use forward declaration of the function: declare function TVar1 return anytype; x anydata; Var1 anytype:=TVar1; ... function TVar1 return anytype as AType anytype; begin ..... RETURN AType; end; ... BEGIN ...