6 string references to 'Attribute'

claro_preprocess_input in core/themes/claro/claro.theme
Implements template_preprocess_HOOK() for input.
claro_preprocess_select in core/themes/claro/claro.theme
Implements template_preprocess_HOOK() for select.
CompositeFormElementTrait::preRenderCompositeFormElement in core/lib/Drupal/Core/Render/Element/CompositeFormElementTrait.php
Adds form element theming to an element if its title or description is set.
FormActionXssTest::testFormActionXss in core/tests/Drupal/KernelTests/Core/Form/FormActionXssTest.php
Tests form action attribute for XSS.
FormTestLabelForm::buildForm in core/modules/system/tests/modules/form_test/src/Form/FormTestLabelForm.php
Form constructor.
tour.schema.yml in core/modules/tour/config/schema/tour.schema.yml
core/modules/tour/config/schema/tour.schema.yml

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