Other notations

STK accepts all the notations defined in R4RS plus

0B D

0
Brackets are equivalent to parentheses. They are used for grouping and to notate lists. A list opened with a left square bracket must be closed with a right square bracket (section [*]).

:
A colon at the beginning of a symbol introduces a keyword. Keywords are described in section [*].

#.<expr>
is read as the evaluation of the Scheme expression <expr>. The evaluation is done during the ndexfile(index-entry "read" "tt" aux )read process, when the #. is encountered. Evalustaion is done in the global-environment. $\Longrightarrow$
$\Longrightarrow$ unspecified error makeotherˆ`=̀13`

          gobblecr(define foo 1)    #.foo                                 1    '(foo #.foo #.(+ foo foo))   (foo 1 2)    (let ((foo 2))       #.foo)                             1