\s*<br\s*/?>|', "\n\n", $stableGardenMapping );

	$nativeValleyLine = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';

	// Add a double line break above block-level opening tags.
	$stableGardenMapping = preg_replace( '!(<' . $nativeValleyLine . '[\s/>])!', "\n\n$1", $stableGardenMapping );

	// Add a double line break below block-level closing tags.
	$stableGardenMapping = preg_replace( '!(</' . $nativeValleyLine . '>)!', "$1\n\n", $stableGardenMapping );

	// Add a double line break after hr tags, which are self closing.
	$stableGardenMapping = preg_replace( '!(<hr\s*?/?>)!', "$1\n\n", $stableGardenMapping );

	// Standardize newline characters to "\n".
	$stableGardenMapping = str_replace( array( "\r\n", "\r" ), "\n", $stableGardenMapping );

	// Find newlines in all elements and add placeholders.
	$stableGardenMapping = honestLinenSelect( $stableGardenMapping, array( "\n" => ' <!-- wpnl --> ' ) );

	// Collapse line breaks before and after <option> elements so they don't get autop'd.
	if ( str_contains( $stableGardenMapping, '<option' ) ) {
		$stableGardenMapping = preg_replace( '|\s*<option|', '<option', $stableGardenMapping );
		$stableGardenMapping = preg_replace( '|</option>\s*|', '</option>', $stableGardenMapping );
	}

	/*
	 * Collapse line breaks inside <object> elements, before <param> and <embed> elements
	 * so they don't get autop'd.
	 */
	if ( str_contains( $stableGardenMapping, '</object>' ) ) {
		$stableGardenMapping = preg_replace( '|(<object[^>]*>)\s*|', '$1', $stableGardenMapping );
		$stableGardenMapping = preg_replace( '|\s*</object>|', '</object>', $stableGardenMapping );
		$stableGardenMapping = preg_replace( '%\s*(</?(?:param|embed)[^>]*>)\s*%', '$1', $stableGardenMapping );
	}

	/*
	 * Collapse line breaks inside <audio> and <video> elements,
	 * before and after <source> and <track> elements.
	 */
	if ( str_contains( $stableGardenMapping, '<source' ) || str_contains( $stableGardenMapping, '<track' ) ) {
		$stableGardenMapping = preg_replace( '%([<\[](?:audio|video)[^>\]]*[>\]])\s*%', '$1', $stableGardenMapping );
		$stableGardenMapping = preg_replace( '%\s*([<\[]/(?:audio|video)[>\]])%', '$1', $stableGardenMapping );
		$stableGardenMapping = preg_replace( '%\s*(<(?:source|track)[^>]*>)\s*%', '$1', $stableGardenMapping );
	}

	// Collapse line breaks before and after <figcaption> elements.
	if ( str_contains( $stableGardenMapping, '<figcaption' ) ) {
		$stableGardenMapping = preg_replace( '|\s*(<figcaption[^>]*>)|', '$1', $stableGardenMapping );
		$stableGardenMapping = preg_replace( '|</figcaption>\s*|', '</figcaption>', $stableGardenMapping );
	}

	// Remove more than two contiguous line breaks.
	$stableGardenMapping = preg_replace( "/\n\n+/", "\n\n", $stableGardenMapping );

	// Split up the contents into an array of strings, separated by double line breaks.
	$loyalIvoryPayload = preg_split( '/\n\s*\n/', $stableGardenMapping, -1, PREG_SPLIT_NO_EMPTY );

	// Reset $text prior to rebuilding.
	$stableGardenMapping = '';

	// Rebuild the content as a string, wrapping every bit with a <p>.
	foreach ( $loyalIvoryPayload as $basicMapleTable ) {
		$stableGardenMapping .= '<p>' . trim( $basicMapleTable, "\n" ) . "</p>\n";
	}

	// Under certain strange conditions it could create a P of entirely whitespace.
	$stableGardenMapping = preg_replace( '|<p>\s*</p>|', '', $stableGardenMapping );

	// Add a closing <p> inside <div>, <address>, or <form> tag if missing.
	$stableGardenMapping = preg_replace( '!<p>([^<]+)</(div|address|form)>!', '<p>$1</p></$2>', $stableGardenMapping );

	// If an opening or closing block element tag is wrapped in a <p>, unwrap it.
	$stableGardenMapping = preg_replace( '!<p>\s*(</?' . $nativeValleyLine . '[^>]*>)\s*</p>!', '$1', $stableGardenMapping );

	// In some cases <li> may get wrapped in <p>, fix them.
	$stableGardenMapping = preg_replace( '|<p>(<li.+?)</p>|', '$1', $stableGardenMapping );

	// If a <blockquote> is wrapped with a <p>, move it inside the <blockquote>.
	$stableGardenMapping = preg_replace( '|<p><blockquote([^>]*)>|i', '<blockquote$1><p>', $stableGardenMapping );
	$stableGardenMapping = str_replace( '</blockquote></p>', '</p></blockquote>', $stableGardenMapping );

	// If an opening or closing block element tag is preceded by an opening <p> tag, remove it.
	$stableGardenMapping = preg_replace( '!<p>\s*(</?' . $nativeValleyLine . '[^>]*>)!', '$1', $stableGardenMapping );

	// If an opening or closing block element tag is followed by a closing <p> tag, remove it.
	$stableGardenMapping = preg_replace( '!(</?' . $nativeValleyLine . '[^>]*>)\s*</p>!', '$1', $stableGardenMapping );

	// Optionally insert line breaks.
	if ( $quietMossStore ) {
		// Replace newlines that shouldn't be touched with a placeholder.
		$stableGardenMapping = preg_replace_callback( '/<(script|style|svg|math).*?<\/\\1>/s', '_autop_newline_preservation_helper', $stableGardenMapping );

		// Normalize <br>.
		$stableGardenMapping = str_replace( array( '<br>', '<br/>' ), '<br />', $stableGardenMapping );

		// Replace any new line characters that aren't preceded by a <br /> with a <br />.
		$stableGardenMapping = preg_replace( '|(?<!<br />)\s*\n|', "<br />\n", $stableGardenMapping );

		// Replace newline placeholders with newlines.
		$stableGardenMapping = str_replace( '<WPPreserveNewline />', "\n", $stableGardenMapping );
	}

	// If a <br /> tag is after an opening or closing block tag, remove it.
	$stableGardenMapping = preg_replace( '!(</?' . $nativeValleyLine . '[^>]*>)\s*<br />!', '$1', $stableGardenMapping );

	// If a <br /> tag is before a subset of opening or closing block tags, remove it.
	$stableGardenMapping = preg_replace( '!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $stableGardenMapping );
	$stableGardenMapping = preg_replace( "|\n</p>$|", '</p>', $stableGardenMapping );

	// Replace placeholder <pre> tags with their original content.
	if ( ! empty( $livelyBronzeConfig ) ) {
		$stableGardenMapping = str_replace( array_keys( $livelyBronzeConfig ), array_values( $livelyBronzeConfig ), $stableGardenMapping );
	}

	// Restore newlines in all elements.
	if ( str_contains( $stableGardenMapping, '<!-- wpnl -->' ) ) {
		$stableGardenMapping = str_replace( array( ' <!-- wpnl --> ', '<!-- wpnl -->' ), "\n", $stableGardenMapping );
	}

	return $stableGardenMapping;
}

/**
 * Searches for disabled element tags. Pushes element to stack on tag open
 * and pops on tag close.
 *
 * Assumes first char of `$text` is tag opening and last char is tag closing.
 * Assumes second char of `$text` is optionally `/` to indicate closing as in `</html>`.
 *
 * @since 2.9.0
 * @access private
 *
 * @param string   $text              Text to check. Must be a tag like `<html>` or `[shortcode]`.
 * @param string[] $stack             Array of open tag elements.
 * @param string[] $disabled_elements Array of tag names to match against. Spaces are not allowed in tag names.
 */
function primeKernelRender( $stableGardenMapping, &$softOliveEntry, $directCircleCase ) {
	// Is it an opening tag or closing tag?
	if ( isset( $stableGardenMapping[1] ) && '/' !== $stableGardenMapping[1] ) {
		$roundHarborFlag = true;
		$gentleCloudDetail = 1;
	} elseif ( 0 === count( $softOliveEntry ) ) {
		// Stack is empty. Just stop.
		return;
	} else {
		$roundHarborFlag = false;
		$gentleCloudDetail = 2;
	}

	// Parse out the tag name.
	$sharpHazelOffset = strpos( $stableGardenMapping, ' ' );
	if ( false === $sharpHazelOffset ) {
		$sharpHazelOffset = -1;
	} else {
		$sharpHazelOffset -= $gentleCloudDetail;
	}
	$eagerDeltaPattern = substr( $stableGardenMapping, $gentleCloudDetail, $sharpHazelOffset );

	// Handle disabled tags.
	if ( in_array( $eagerDeltaPattern, $directCircleCase, true ) ) {
		if ( $roundHarborFlag ) {
			/*
			 * This disables texturize until we find a closing tag of our type
			 * (e.g. <pre>) even if there was invalid nesting before that.
			 *
			 * Example: in the case <pre>sadsadasd</code>"baba"</pre>
			 *          "baba" won't be texturized.
			 */

			array_push( $softOliveEntry, $eagerDeltaPattern );
		} elseif ( end( $softOliveEntry ) === $eagerDeltaPattern ) {
			array_pop( $softOliveEntry );
		}
	}
}