Grammar and formatting changes to perl6 text

Hope the changes in this pull request make http://learnxinyminutes.com/docs/perl6/ look a little prettier. :)

 - Salve (sjn on the #perl6 IRC channel)
Nami-Doc said:
> 
>> @@ -312,12 +331,14 @@ if long-computation() -> $result {
>>  (1, 2) eqv (1, 3);
>>
>>  # - `~~` is smart matching
>> -# for a complete combinations list, use this table : http://perlcabal.org/syn/S03.html#Smart_matching
>> +# For a complete combinations list, use this table : http://perlcabal.org/syn/S03.html#Smart_matching
>
> should that be combination or is it combinations ?

"list of combinations"


-- 
#!/usr/bin/env perl
sub AUTOLOAD{$AUTOLOAD=~/.*::(\d+)/;seek(DATA,$1,0);print# Salve Joshua Nilsen
getc DATA}$"="'};&{'";@_=unpack("C*",unpack("u*",':50,$'.#    <sjn@foo.no>
'3!=0"59,6!`%%P\0!1)46%!F.Q`%01,`'."\n"));eval "&{'@_'}";  __END__ is near! :)