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Attribute order now adheres to the Code Guide
(http://codeguide.co/#html-attribute-order).

See http://trac.webkit.org/changeset/191954
Refs #15968

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Refs #17913
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Because of a color scheme has a color and background color.

Add http://wkbug.com/150715 to Wall of Browser Bugs

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Per http://caniuse.com/#feat=documenthead , document.head is supported in IE Mobile 10+,
so slightly simplify the JS accordingly.

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It's been fixed in WebKit Nightly!
See https://trac.webkit.org/changeset/191623 and http://wkbug.com/149366
Refs #17438, #14237

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Fix #18076

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See http://trac.webkit.org/changeset/191610
Refs #17913
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This reuses the existing URLs in the docs Jekyll configuration rather than hard coding.

Refs #17913
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Change d6b6a20a missed two doc mentions
of the previous names when changing to new:
    .navbar-default  -->  .navbar-light
    .navbar-inverse  -->  .navbar-dark

Now that we don't support IE 8 it's safe to do that.

Things left:
1. clear the selection after copy
2. add messages for success and error

Also one spelling typo corrected.

Closes #18043

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Refs https://code.google.com/p/chromium/issues/detail?id=544290
Refs https://bugs.webkit.org/show_bug.cgi?id=150271
Closes #17913
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Since `aria-label` is used, it's not necessary anymore.

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See https://bugs.webkit.org/show_bug.cgi?id=150079
Closes #14975
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See http://trac.webkit.org/changeset/190893
Refs #9774, #14907
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Fix #17888

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