Add patch from issue 150 by fantasai

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branch : csswg-testsuite
Add patch from issue 152 by fantasai

--HG--
branch : csswg-testsuite
Add patch from issue 153 by fantasai

--HG--
branch : csswg-testsuite
Add patch from issue 154 by fantasai

--HG--
branch : csswg-testsuite