Fixed a whole bunch of small docs typos, errors, and ommissions.

Fixes #8358, #8396, #8724, #9043, #9128, #9247, #9267, #9267, #9375, #9409, #9414, #9416, #9446, #9454, #9464, #9503, #9518, #9533, #9657, #9658, #9683, #9733, #9771, #9835, #9836, #9837, #9897, #9906, #9912, #9945, #9986, #9992, #10055, #10084, #10091, #10145, #10245, #10257, #10309, #10358, #10359, #10424, #10426, #10508, #10531, #10551, #10635, #10637, #10656, #10658, #10690, #10699, #19528.

Thanks to all the respective authors of those tickets.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10371 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/unicode.txt

@@ -273,7 +273,7 @@ You can pass either Unicode strings or UTF-8 bytestrings as arguments to
 querysets are identical::
 
     qs = People.objects.filter(name__contains=u'Å')
-    qs = People.objects.filter(name__contains='\xc3\85') # UTF-8 encoding of Å
+    qs = People.objects.filter(name__contains='\xc3\x85') # UTF-8 encoding of Å
 
 Templates
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