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- <!DOCTYPE html>
- <style>
- .ok { color: red; }
- #-- { color: green; }
- #-foo { color: green }
- #--foo { color: green; }
- .-- { color: green; }
- .-foo { color: green; }
- .--foo { color: green; }
- .fail { color: green; }
- #- { color: red; }
- .- { color: red; }
- </style>
- <div class="ok" id="--">This should be green.</div>
- <div class="ok" id="-foo">This should be green.</div>
- <div class="ok" id="--foo">This should be green.</div>
- <div class="ok --">This should be green.</div>
- <div class="ok -foo">This should be green.</div>
- <div class="ok --foo">This should be green.</div>
- <div class="fail" id="-">This should be green.</div>
- <div class="fail -">This should be green.</div>
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