<div dir="ltr">Cute. :)<div><br></div><div style>FWIW, it comes out right on the mac.</div><div style><br></div><div style>Robby</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jan 17, 2013 at 6:03 AM, Pierpaolo Bernardi <span dir="ltr"><<a href="mailto:olopierpa@gmail.com" target="_blank">olopierpa@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
<br>
try the following in the interaction panel of DrRacket:<br>
<br>
(display (integer->char #x2144))<br>
<br>
Or, just put this character in an editor buffer.<br>
The character is displayed 3 lines below its proper position.<br>
<br>
AFAIK, this character is a normal ‘Letterlike Symbol’. It shouldn't<br>
have any misterious formatting properties, and it's a character of<br>
fundamental importance for writing ¡uʍop ǝpısdn 8^)<br>
<br>
(latest nightly build, on windows 8)<br>
<br>
Puzzled P.<br>
<br>
========<br>
#lang racket<br>
<br>
(provide upside-down)<br>
<br>
(define table<br>
(let ()<br>
(define (putin t s1 s2)<br>
(for/fold ((t t))<br>
((c1 (in-string s1))<br>
(c2 (in-string s2)))<br>
(hash-set t c1 c2)))<br>
(for/fold ((t (hash)))<br>
((pair (in-list '(("abcdefghijklmnopqrstuvwxyz?!’._()[]{}<>;"<br>
"ɐqɔpǝɟƃɥıɾʞןɯuodbɹsʇnʌʍxʎz¿¡,˙‾)(][}{><؛")<br>
("ABCDEFGHIJKLMNOPQRSTUVWXYZ"<br>
"∀qƆpƎℲפHIſʞ˥WNOԀQɹS┴∩ΛMX⅄Z")<br>
))))<br>
(putin t (first pair) (second pair)))))<br>
<br>
(define (upside-down string)<br>
(list->string<br>
(reverse<br>
(for/list ((c (in-string string)))<br>
(hash-ref table c c)))))<br>
<br>
========<br>
<br>
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</blockquote></div><br></div>