Structure issues

• BOA-AUX-INITIALIZATION:ERROR-ON-READ
  
• DEFSTRUCT-CONSTRUCTOR-KEY-MIXTURE:ALLOW-KEY
  
• DEFSTRUCT-CONSTRUCTOR-OPTIONS:EXPLICIT
  
• DEFSTRUCT-CONSTRUCTOR-SLOT-VARIABLES:NOT-BOUND
  
• DEFSTRUCT-COPIER-ARGUMENT-TYPE:RESTRICT
  
• DEFSTRUCT-COPIER:ARGUMENT-TYPE
  
• DEFSTRUCT-DEFAULT-VALUE-EVALUATION:IFF-NEEDED
  
• DEFSTRUCT-INCLUDE-DEFTYPE:EXPLICITLY-UNDEFINED
  
• DEFSTRUCT-PRINT-FUNCTION-AGAIN:X3J13-MAR-93
  
• DEFSTRUCT-PRINT-FUNCTION-INHERITANCE:YES
  
• DEFSTRUCT-REDEFINITION:ERROR
  
• DEFSTRUCT-SLOTS-CONSTRAINTS-NAME:DUPLICATES-ERROR
  
• DEFSTRUCT-SLOTS-CONSTRAINTS-NUMBER
  
• EQUAL-STRUCTURE:MAYBE-STATUS-QUO
  
• STRUCTURE-READ-PRINT-SYNTAX:KEYWORDS