31 files declare their use of Attribute in Zircon Profile 8

ActiveLinkResponseFilterTest.php in core/tests/Drupal/Tests/Core/EventSubscriber/ActiveLinkResponseFilterTest.php

Contains \Drupal\Tests\Core\EventSubscriber\ActiveLinkResponseFilterTest.

AttributesTest.php in core/tests/Drupal/Tests/Core/Common/AttributesTest.php

Contains \Drupal\Tests\Core\Common\AttributesTest.

AttributeTest.php in core/tests/Drupal/Tests/Core/Template/AttributeTest.php

Contains \Drupal\Tests\Core\Template\AttributeTest.

bartik.theme in core/themes/bartik/bartik.theme

Functions to support theming in the Bartik theme.

book.module in core/modules/book/book.module

Allows users to create and organize related content in an outline.

BookManager.php in core/modules/book/src/BookManager.php

Contains \Drupal\book\BookManager.

ckeditor.admin.inc in core/modules/ckeditor/ckeditor.admin.inc

Callbacks and theming for the CKEditor toolbar configuration UI.

ContextualDynamicContextTest.php in core/modules/contextual/src/Tests/ContextualDynamicContextTest.php

Contains \Drupal\contextual\Tests\ContextualDynamicContextTest.

ContextualLinksPlaceholder.php in core/modules/contextual/src/Element/ContextualLinksPlaceholder.php

Contains \Drupal\contextual\Element\ContextualLinksPlaceholder.

DisplayBlockTest.php in core/modules/block/src/Tests/Views/DisplayBlockTest.php

Contains \Drupal\block\Tests\Views\DisplayBlockTest.

DisplayTest.php in core/modules/views_ui/src/Tests/DisplayTest.php

Contains \Drupal\views_ui\Tests\DisplayTest.

file.module in core/modules/file/file.module

Defines a "managed_file" Form API field and a "file" field for Field module.

filter.module in core/modules/filter/filter.module

Framework for handling the filtering of content.

FilterProcessResult.php in core/modules/filter/src/FilterProcessResult.php

Contains \Drupal\filter\FilterProcessResult.

form.inc in core/includes/form.inc

Functions for form and batch generation and processing.

HtmlTag.php in core/lib/Drupal/Core/Render/Element/HtmlTag.php

Contains \Drupal\Core\Render\Element\HtmlTag.

language.admin.inc in core/modules/language/language.admin.inc

Administration functions for language.module.

LinkGenerator.php in core/lib/Drupal/Core/Utility/LinkGenerator.php

Contains \Drupal\Core\Utility\LinkGenerator.

MenuLinkTree.php in core/lib/Drupal/Core/Menu/MenuLinkTree.php

Contains \Drupal\Core\Menu\MenuLinkTree.

MenuLinkTreeTest.php in core/modules/system/tests/src/Unit/Menu/MenuLinkTreeTest.php

Contains \Drupal\Tests\system\Unit\Menu\MenuLinkTreeTest.

node.module in core/modules/node/node.module

The core module that allows content to be submitted to the site.

rdf.module in core/modules/rdf/rdf.module

Enables semantically enriched output for Drupal sites in the form of RDFa.

RendererTest.php in core/tests/Drupal/Tests/Core/Render/RendererTest.php

Contains \Drupal\Tests\Core\Render\RendererTest.

system.admin.inc in core/modules/system/system.admin.inc

Admin page callbacks for the system module.

theme.inc in core/includes/theme.inc

The theme system, which controls the output of Drupal.

ThemeManager.php in core/lib/Drupal/Core/Theme/ThemeManager.php

Contains \Drupal\Core\Theme\ThemeManager.

toolbar.module in core/modules/toolbar/toolbar.module

Administration toolbar for quick access to top level administration items.

TwigThemeTestController.php in core/modules/system/tests/modules/twig_theme_test/src/TwigThemeTestController.php

Contains \Drupal\twig_theme_test\TwigThemeTestController.

update.report.inc in core/modules/update/update.report.inc

Code required only when rendering the available updates report.

views.theme.inc in core/modules/views/views.theme.inc

Preprocessors and helper functions to make theming easier.

zircon.theme in themes/zircon/zircon.theme