Remove Uppercase Accents

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All output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.

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All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$current'.

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Resource version not set in call to wp_enqueue_script(). This means new versions of the script may not always be loaded due to browser caching.

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In footer ($in_footer) is not set explicitly wp_enqueue_script; It is recommended to load scripts in the footer. Please set this value to `true` to load it in the footer, or explicitly `false` if it should be loaded in the header.

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A function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

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PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;

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Tested up to: 6.4 < 7.0. The "Tested up to" value in your plugin is not set to the current version of WordPress. This means your plugin will not show up in searches, as we require plugins to be compatible and documented as tested up to the most recent version of WordPress.

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Missing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license.

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Function "submit_button()" requires WordPress 3.1.0, but your plugin minimum supported version is WordPress 3.0.0.