15 string references to 'F' in Zircon Profile 8.0

DateHelper::weekDaysAbbr1 in core/lib/Drupal/Core/Datetime/DateHelper.php

Constructs a translated array of 1-letter week day abbreviations.

DrupalDateTime::format in core/lib/Drupal/Core/Datetime/DrupalDateTime.php

Overrides format().

InspectorTest::testAssertAllMatch in core/tests/Drupal/Tests/Component/Assertion/InspectorTest.php

Tests asserting strstr() or stristr() match.

PHPUnit_TextUI_ResultPrinter::addFailure in vendor/phpunit/phpunit/src/TextUI/ResultPrinter.php

A failure occurred.

TimeEfficientImplementationTest::testCommonSubsequence in vendor/sebastian/diff/tests/LCS/TimeEfficientImplementationTest.php

TimeEfficientImplementationTest::testDistinctSequences in vendor/sebastian/diff/tests/LCS/TimeEfficientImplementationTest.php

x01.php in core/lib/Drupal/Component/Transliteration/data/x01.php

x02.php in core/lib/Drupal/Component/Transliteration/data/x02.php

x03.php in core/lib/Drupal/Component/Transliteration/data/x03.php

x04.php in core/lib/Drupal/Component/Transliteration/data/x04.php

x05.php in core/lib/Drupal/Component/Transliteration/data/x05.php

x06.php in core/lib/Drupal/Component/Transliteration/data/x06.php

x1e.php in core/lib/Drupal/Component/Transliteration/data/x1e.php

x21.php in core/lib/Drupal/Component/Transliteration/data/x21.php

xff.php in core/lib/Drupal/Component/Transliteration/data/xff.php