tests/test-check-pylint.t

patch: do not break up multibyte character when highlighting word

This changes {\W} to {\W - any 8bit characters} so that multibyte sequences
are taken as words. Since we don't know the encoding of user content, this
is the most sensible definition of a non-word.

#require test-repo pylint hg10

Run pylint for known rules we care about.
-----------------------------------------

There should be no recorded failures; fix the codebase before introducing a
new check.

Current checks:
- W0102: no mutable default argument

  $ touch $TESTTMP/fakerc
  $ pylint --rcfile=$TESTTMP/fakerc --disable=all \
  >   --enable=W0102 --reports=no \
  >   --ignore=thirdparty \
  >   mercurial hgdemandimport hgext hgext3rd
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