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J.5 ASCII

Static Semantics

(1)

The following declaration exists in the declaration of package Standard:

(2)
          package ASCII is
(3)
            --  Control characters:
(4)
             NUL   : constant Character := nul;     SOH   : constant Character := soh;
             STX   : constant Character := stx;     ETX   : constant Character := etx;
             EOT   : constant Character := eot;     ENQ   : constant Character := enq;
             ACK   : constant Character := ack;     BEL   : constant Character := bel;
             BS    : constant Character := bs;      HT    : constant Character := ht;
             LF    : constant Character := lf;      VT    : constant Character := vt;
             FF    : constant Character := ff;      CR    : constant Character := cr;
             SO    : constant Character := so;      SI    : constant Character := si;
             DLE   : constant Character := dle;     DC1   : constant Character := dc1;
             DC2   : constant Character := dc2;     DC3   : constant Character := dc3;
             DC4   : constant Character := dc4;     NAK   : constant Character := nak;
             SYN   : constant Character := syn;     ETB   : constant Character := etb;
             CAN   : constant Character := can;     EM    : constant Character := em;
             SUB   : constant Character := sub;     ESC   : constant Character := esc;
             FS    : constant Character := fs;      GS    : constant Character := gs;
             RS    : constant Character := rs;      US    : constant Character := us;
             DEL   : constant Character := del;
(5)
             -- Other characters:
(6)
             Exclam    : constant Character:= '!';  Quotation : constant Character:= '"';
             Sharp     : constant Character:= '#';  Dollar    : constant Character:= '$';
             Percent   : constant Character:= '%';  Ampersand : constant Character:= '&';
             Colon     : constant Character:= ':';  Semicolon : constant Character:= ';';
             Query     : constant Character:= '?';  At_Sign   : constant Character:= '@';
             L_Bracket : constant Character:= '[';  Back_Slash: constant Character:= '\';
             R_Bracket : constant Character:= ']';  Circumflex: constant Character:= '^';
             Underline : constant Character:= '_';  Grave     : constant Character:= '`';
             L_Brace   : constant Character:= '{';  Bar       : constant Character:= '|';
             R_Brace   : constant Character:= '}';  Tilde     : constant Character:= '~';
(7)
             -- Lower case letters:
(8)
             LC_A: constant Character:= 'a';
             ...
             LC_Z: constant Character:= 'z';
(9)
          end ASCII;

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