Other notations

<#32#><#32#> accepts all the notations defined in <#33#><#33#> plus

<#35#><#35#><#36#><#36#>

0<#1520#>B<#37#><#37#> D<#38#><#38#> <#1520#>

<#2152#>0<#2152#>
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~#listsection#39>).

<#2153#>:<#2153#>
A colon at the beginning of a symbol introduces a keyword. Keywords are described in section~#keywords#40>.

<#2154#>.;SPMlt;expr;SPMgt;<#2154#>
is read as the evaluation of the Scheme expression <#41#>;SPMlt;expr;SPMgt;<#41#>. The evaluation is done during the <#42#>read<#42#> process, when the <#43#>.<#43#> is encountered. Evalustaion is done in the global-environment.
#scheme44#