<h2>File Contents: /home/planet5/www/wp-content/plugins/amp/vendor/ampproject/amp-toolbox/src/Validator/Spec/Tag/A.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/amp/vendor/ampproject/amp-toolbox/src/Validator/Spec/Tag/A.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

/**
 * DO NOT EDIT!
 * This file was automatically generated via bin/generate-validator-spec.php.
 */

namespace AmpProject\Validator\Spec\Tag;

use AmpProject\Format;
use AmpProject\Html\Attribute;
use AmpProject\Html\Tag as Element;
use AmpProject\Protocol;
use AmpProject\Validator\Spec\AttributeList;
use AmpProject\Validator\Spec\Identifiable;
use AmpProject\Validator\Spec\SpecRule;
use AmpProject\Validator\Spec\Tag;

/**
 * Tag class A.
 *
 * @package ampproject/amp-toolbox.
 *
 * @property-read string $tagName
 * @property-read array $attrs
 * @property-read array&lt;string&gt; $attrLists
 * @property-read string $specUrl
 * @property-read array&lt;string&gt; $htmlFormat
 */
final class A extends Tag implements Identifiable
{
    /**
     * ID of the tag.
     *
     * @var string
     */
    const ID = &#039;A&#039;;

    /**
     * Array of spec rules.
     *
     * @var array
     */
    const SPEC = [
        SpecRule::TAG_NAME =&gt; Element::A,
        SpecRule::ATTRS =&gt; [
            Attribute::BORDER =&gt; [],
            Attribute::DOWNLOAD =&gt; [],
            Attribute::HREF =&gt; [
                SpecRule::DISALLOWED_VALUE_REGEX =&gt; &#039;__amp_source_origin&#039;,
                SpecRule::VALUE_URL =&gt; [
                    SpecRule::PROTOCOL =&gt; [
                        Protocol::FTP,
                        Protocol::GEO,
                        Protocol::HTTP,
                        Protocol::HTTPS,
                        Protocol::MAILTO,
                        Protocol::MAPS,
                        Protocol::BIP,
                        Protocol::BBMI,
                        Protocol::CHROME,
                        Protocol::ITMS_SERVICES,
                        Protocol::FACETIME,
                        Protocol::FB_ME,
                        Protocol::FB_MESSENGER,
                        Protocol::FEED,
                        Protocol::INTENT,
                        Protocol::LINE,
                        Protocol::MICROSOFT_EDGE,
                        Protocol::SKYPE,
                        Protocol::SMS,
                        Protocol::SNAPCHAT,
                        Protocol::TEL,
                        Protocol::TG,
                        Protocol::THREEMA,
                        Protocol::TWITTER,
                        Protocol::VIBER,
                        Protocol::WEBCAL,
                        Protocol::WEB_MASTODON,
                        Protocol::WH,
                        Protocol::WHATSAPP,
                    ],
                    SpecRule::ALLOW_EMPTY =&gt; true,
                ],
            ],
            Attribute::HREFLANG =&gt; [],
            Attribute::MEDIA =&gt; [],
            Attribute::REFERRERPOLICY =&gt; [],
            Attribute::REL =&gt; [
                SpecRule::DISALLOWED_VALUE_REGEX =&gt; &#039;(^|\s)(components|dns-prefetch|import|manifest|preconnect|prefetch|preload|prerender|serviceworker|stylesheet|subresource)(\s|$)&#039;,
            ],
            Attribute::ROLE =&gt; [
                SpecRule::IMPLICIT =&gt; true,
            ],
            Attribute::SHOW_TOOLTIP =&gt; [
                SpecRule::VALUE =&gt; [
                    &#039;auto&#039;,
                    &#039;true&#039;,
                ],
            ],
            Attribute::TABINDEX =&gt; [
                SpecRule::IMPLICIT =&gt; true,
            ],
            Attribute::TARGET =&gt; [
                SpecRule::VALUE =&gt; [
                    &#039;_blank&#039;,
                    &#039;_self&#039;,
                    &#039;_top&#039;,
                ],
            ],
            Attribute::TYPE =&gt; [
                SpecRule::VALUE_CASEI =&gt; [
                    &#039;text/html&#039;,
                    &#039;application/rss+xml&#039;,
                ],
            ],
            &#039;[href]&#039; =&gt; [],
        ],
        SpecRule::ATTR_LISTS =&gt; [
            AttributeList\ClickAttributions::ID,
            AttributeList\NameAttr::ID,
            AttributeList\PrivateClickMeasurementAttributes::ID,
        ],
        SpecRule::SPEC_URL =&gt; &#039;https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#links&#039;,
        SpecRule::HTML_FORMAT =&gt; [
            Format::AMP,
            Format::AMP4ADS,
        ],
    ];
}
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