Numbers: the full set of types, and real literals that take their type

The numeric types table lists bigint, int128, uint128, float and decimal.
A real literal without a suffix is a double, float or decimal as the
context says. A boolean prints as #t.

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Co-Authored-By: eca-agent <git@eca.dev>

_02_.Writing-programs.sz

@@ -1718,7 +1718,7 @@ Literal prefixes like @code{#map(...)} are reader-level hash macros. You can reg
 (defun (main)
   (println #card(Q hearts))                 ;; Q♥
   (println #card[10 spades])                ;; 10♠, either bracket works
-  (println (court? #card(K clubs)))         ;; True
+  (println (court? #card(K clubs)))         ;; #t
   (with-each-card (c [#card(A spades) #card(2 hearts)])
     (println #"a card: ${c}"))
   0)