Sam TH wrote:
This program:
#lang scheme
(display (format "~a~n" '(scheme #,3)))
(format "~a~n" '(scheme #,3))
(printf "~a~n" '(scheme #,3))
Produces these results:
(scheme (unsyntax 3))
"(scheme (unsyntax 3))\n"
(scheme #,3)
which rather surprised me. Why is `printf' behaving differently from `format'?
You ran this in DrScheme, right? They're the same in mzscheme.
Output ports have procedures associated with them (see
'port-print-handler') to customize printing. That's how, for example,
printing a syntax object can result in a snip being inserted into an
editor. I guess DrScheme's output port also does reader abbreviations.
This might be connected to the output style language preference.
Ryan
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