7 string references to 'date_iso8601'

comment_rdf_mapping in drupal/core/modules/comment/comment.module
Implements hook_rdf_mapping().
hook_rdf_mapping in drupal/core/modules/rdf/rdf.api.php
Allow modules to define RDF mappings for field bundles.
MappingDefinitionTest::testMappingDefinitionRandomContentType in drupal/core/modules/rdf/lib/Drupal/rdf/Tests/MappingDefinitionTest.php
Creates a random content type and node and ensures the default mapping for the node is being used.
MappingDefinitionTest::testMappingDefinitionTestBundleInstall in drupal/core/modules/rdf/lib/Drupal/rdf/Tests/MappingDefinitionTest.php
Creates a content type and a node of type test_bundle_hook_install and tests whether the RDF mapping defined in rdf_test.install is used.
MappingHookTest::testMapping in drupal/core/modules/rdf/lib/Drupal/rdf/Tests/MappingHookTest.php
Tests that hook_rdf_mapping() correctly returns and processes mapping.
node_rdf_mapping in drupal/core/modules/node/node.module
Implements hook_rdf_mapping().
rdf_test_rdf_mapping in drupal/core/modules/rdf/tests/rdf_test.module
Implements hook_rdf_mapping().