[issue11979] Minor improvements to the Sockets readme: typos, wording and sphinx features usage

[Roundup Robot]

Roundup Robot <devnull at devnull> added the comment:

New changeset 4081f326e46c by Ezio Melotti in branch '2.7':
#11979: improve wording and markup in sockets howto. Patch by Xavier Morel.
http://hg.python.org/cpython/rev/4081f326e46c

New changeset 85b9ad8b219b by Ezio Melotti in branch '3.1':
#11979: improve wording and markup in sockets howto. Patch by Xavier Morel.
http://hg.python.org/cpython/rev/85b9ad8b219b

New changeset bc251b65de1d by Ezio Melotti in branch '3.2':
#11979: merge with 3.1.
http://hg.python.org/cpython/rev/bc251b65de1d

New changeset 4b122cac7ac5 by Ezio Melotti in branch 'default':
#11979: merge with 3.2.
http://hg.python.org/cpython/rev/4b122cac7ac5

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nosy: +python-dev

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<http://bugs.python.org/issue11979>
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