*   Improved convolution padding documentation.
*   Add a tag constant, gpu, to present graph with GPU support.
*   `saved_model.utils` now support SparseTensors transparently.
*   A more efficient implementation of non-max suppression.
*   Add support for the shrinkage-type L2 to FtrlOptimizer in addition to the
    online L2 it already supports.
*   Fix negative variance in moments calculation.

to properly handle hyperlink underlines for breadcrumbs built\n  // without `<ul>`s. The `::before` pseudo-element generates an element\n  // *within* the .breadcrumb-item and thereby inherits the `text-decoration`.\n  //\n  // To trick IE into suppressing the underline, we give the pseudo-element an\n  // underline and then immediately remove it.\n  + .breadcrumb-item:hover::before {\n    text-decoration: underline;\n  }\n  // stylelint-disable-next-line no-duplicate-selectors\n  + .breadcrumb-item:hover::before...