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generalize dropdowns / drop role="menu"
as role="menu" is a very specific (and strict) ARIA pattern for desktop-like application menus, and our dropdowns are often used as pure navigation dropdowns, this change abandons ARIA menus for a more open-ended and light-weight approach (see http://heydonworks.com/practical_aria_examples/#submenus and http://www.w3.org/WAI/tutorials/menus/flyout/#improve-screen-reader-support-using-wai-aria) note that in dropdown.js, switched to now target ``.dropdown-menu`` instead of ``role["menu"]`` - this also prevents bootstrap scripts from "bleeding" into non-bootstrap components on the same page. also removed the ``role=["listbox"]`` part, which appears to be vestigial/unused (only place in bootstrap that uses that role are carousels, and their key handling is done separately)
This commit is contained in:
Patrick H. Lauke
@@ -7,28 +7,28 @@
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<p>Wrap the dropdown's trigger and the dropdown menu within <code>.dropdown</code>, or another element that declares <code>position: relative;</code>. Then add the menu's HTML.</p>
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<div class="bs-example" data-example-id="static-dropdown">
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<div class="dropdown clearfix">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
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Dropdown
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<span class="caret"></span>
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</button>
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
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<li><a href="#">Action</a></li>
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<li><a href="#">Another action</a></li>
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<li><a href="#">Something else here</a></li>
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</ul>
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</div>
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</div><!-- /example -->
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{% highlight html %}
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<div class="dropdown">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
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Dropdown
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<span class="caret"></span>
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</button>
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
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<li><a href="#">Action</a></li>
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<li><a href="#">Another action</a></li>
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<li><a href="#">Something else here</a></li>
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<li><a href="#">Separated link</a></li>
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</ul>
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</div>
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{% endhighlight %}
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@@ -36,28 +36,28 @@
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<p>Dropdown menus can be changed to expand upwards (instead of downwards) by adding <code>.dropup</code> to the parent.</p>
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<div class="bs-example" data-example-id="static-dropup">
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<div class="dropup clearfix">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-expanded="true">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
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Dropup
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<span class="caret"></span>
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</button>
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu2">
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<li><a href="#">Action</a></li>
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<li><a href="#">Another action</a></li>
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<li><a href="#">Something else here</a></li>
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</ul>
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</div>
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</div><!-- /example -->
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{% highlight html %}
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<div class="dropup">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-expanded="true">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
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Dropup
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<span class="caret"></span>
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</button>
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu2">
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<li><a href="#">Action</a></li>
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<li><a href="#">Another action</a></li>
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<li><a href="#">Something else here</a></li>
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<li><a href="#">Separated link</a></li>
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</ul>
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</div>
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{% endhighlight %}
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@@ -73,7 +73,7 @@
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<p>As of v3.1.0, we've deprecated <code>.pull-right</code> on dropdown menus. To right-align a menu, use <code>.dropdown-menu-right</code>. Right-aligned nav components in the navbar use a mixin version of this class to automatically align the menu. To override it, use <code>.dropdown-menu-left</code>.</p>
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</div>
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{% highlight html %}
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<ul class="dropdown-menu dropdown-menu-right" role="menu" aria-labelledby="dLabel">
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<ul class="dropdown-menu dropdown-menu-right" aria-labelledby="dLabel">
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...
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</ul>
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{% endhighlight %}
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@@ -82,24 +82,24 @@
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<p>Add a header to label sections of actions in any dropdown menu.</p>
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<div class="bs-example">
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<div class="dropdown clearfix">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu3" data-toggle="dropdown" aria-expanded="true">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu3" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
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Dropdown
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<span class="caret"></span>
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</button>
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3">
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<li role="presentation" class="dropdown-header">Dropdown header</li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
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<li role="presentation" class="dropdown-header">Dropdown header</li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu3">
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<li class="dropdown-header">Dropdown header</li>
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<li><a href="#">Action</a></li>
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<li><a href="#">Another action</a></li>
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<li><a href="#">Something else here</a></li>
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<li class="dropdown-header">Dropdown header</li>
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<li><a href="#">Separated link</a></li>
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</ul>
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</div>
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</div><!-- /example -->
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{% highlight html %}
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3">
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu3">
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...
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<li role="presentation" class="dropdown-header">Dropdown header</li>
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<li class="dropdown-header">Dropdown header</li>
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...
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</ul>
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{% endhighlight %}
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@@ -108,21 +108,21 @@
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<p>Add a divider to separate series of links in a dropdown menu.</p>
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<div class="bs-example">
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<div class="dropdown clearfix">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenuDivider" data-toggle="dropdown" aria-expanded="true">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenuDivider" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
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Dropdown
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<span class="caret"></span>
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</button>
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenuDivider">
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<li><a href="#">Action</a></li>
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<li><a href="#">Another action</a></li>
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<li><a href="#">Something else here</a></li>
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<li role="separator" class="divider"></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
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<li><a href="#">Separated link</a></li>
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</ul>
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</div>
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</div><!-- /example -->
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{% highlight html %}
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
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<ul class="dropdown-menu" aria-labelledby="dropdownMenuDivider">
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...
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<li role="separator" class="divider"></li>
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...
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@@ -133,22 +133,22 @@
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<p>Add <code>.disabled</code> to a <code><li></code> in the dropdown to disable the link.</p>
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<div class="bs-example">
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<div class="dropdown clearfix">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu4" data-toggle="dropdown" aria-expanded="true">
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<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu4" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
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Dropdown
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<span class="caret"></span>
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</button>
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4">
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li>
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<li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu4">
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<li><a href="#">Regular link</a></li>
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<li class="disabled"><a href="#">Disabled link</a></li>
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<li><a href="#">Another link</a></li>
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</ul>
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</div>
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</div><!-- /example -->
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{% highlight html %}
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<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4">
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li>
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<li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li>
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<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li>
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<ul class="dropdown-menu" aria-labelledby="dropdownMenu4">
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<li><a href="#">Regular link</a></li>
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<li class="disabled"><a href="#">Disabled link</a></li>
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<li><a href="#">Another link</a></li>
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</ul>
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{% endhighlight %}
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</div>
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