In 4.8.4 "The object element",
in the big algorithm,
step 4.7.6 says:
    Run the approprate set of steps from the following list:
       o The resource has associated Content-Type metadata
             ....
       o The resource does not have associated Content-Type metadata
             ....

1) Change "approprate" to "appropriate".

2) For consistency, the two "switch conditions" should start with "If".

3) The second condition could just be "Otherwise".

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In 4.10.22.6 "URL-encoded form data",
in the application/x-www-form-urlencoded encoding algorithm,
step 4.5 says:
    For each byte in the entry's name and value, apply the appropriate
    subsubsteps from the following list:

      o The byte is 0x20 (U+0020 SPACE if interpreted as ASCII)
           ...
      o If the byte is in the range ...
           ...
      o Otherwise
           ...

For consistency, start the first switch condition with "If".

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In 4.12.5.1 'Link type "alternate"',
the second switch condition is:
    The alternate keyword is used with the type  attribute set to the
    value application/rss+xml or the value application/atom+xml

For consistency, start with "If".