Creates the separator interface element. It shows a line between two menu items.
Ihandle* IupSeparator(void); [in C] iupseparator{} -> (elem: ihandle) [in IupLua3] iup.separator{} -> (elem: ihandle) [in IupLua5] separator() [in LED]This function returns the identifier of the created separator, or NULL if an error occurs.
The separator is ignored when it is part of the definition of the items in a bar menu.