- #<#read
#<#TAG
Similar to #<<, but allows substitution of embedded Scheme expressions prefixed with # and optionally enclosed in curly brackets. Two consecutive #s are translated to a single #:
(define three 3) (display #<#EOF This is a simple string with an embedded `##' character and substituted expressions: (+ three 99) ==> #(+ three 99) (three is "#{three}") EOF )prints
This is a simple string with an embedded `#' character and substituted expressions: (+ three 99) ==> 102 (three is "3")