[racket] racket guide symbols example html

I've pushed a repair. Thanks for the report!

At Sat, 31 Dec 2011 18:43:11 -0500, ozzloy-racket-users wrote:
> collects/scribblings/guide/symbols.scrbl:31
> 
> (eval:alts @#,elem{@racketfont{#ci}}@racketvalfont{'A} #ci'A)
> 
> scribble transforms this line into html output in the guide as:
> #ci’A
> instead of:
> #ci'A
> 
> note the quote mark is different.
> 
> when paste into drracket repl i get:
> reference to an identifier before its definition: ’a
> instead of:
> 'a
> 
> i messed with symbols.scrbl but i don't know scribble,
> so i'm submitting a bug report instead of a patch.
> 
> 
> if possible, please give a short sequence of steps to reproduce the problem:
> * go to http://docs.racket-lang.org/guide/symbols.html
> * search for "> #ci"
> * copy example on that line into drracket repl, hit enter
> * get "reference to an identifier before its definition: ’a"
> * expect "'a"
> 
> 
> version: 3718600125321001174af0fbce50ab206a0e54bf
> platform: Linux i686 / Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.2
> (KHTML, like Gecko) Ubuntu/11.10 Chromium/15.0.874.106 Chrome/15.0.874.106
> Safari/535.2
> severity: non-critical
> class: documentation bug
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