Add CLAUDE.md documentation and sync WordPress core files - Add comprehensive CLAUDE.md documentation file with project architecture, development setup, database operations, WordPress CLI usage, file sync procedures, and Mercurial commands - Update WordPress core files from wordpress/ to wp/ directory - Sync latest WordPress admin interface, includes, and core functionality - Update plugins: portfolio plugin with latest BWS framework and fancybox integration - Maintain custom configuration and theme files 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>

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<?php

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/**

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 * Diff API: WP_Text_Diff_Renderer_inline class

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 *

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 * @package WordPress

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 * @subpackage Diff

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 * @since 4.7.0

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 */

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/**

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 * Better word splitting than the PEAR package provides.

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 *

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 * @since 2.6.0

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 * @uses Text_Diff_Renderer_inline Extends

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 */

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#[AllowDynamicProperties]

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class WP_Text_Diff_Renderer_inline extends Text_Diff_Renderer_inline {

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	/**

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	 * @ignore

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	 * @since 2.6.0

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	 *

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	 * @param string $string

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	 * @param string $newlineEscape

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	 * @return string

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	 */

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	public function _splitOnWords( $string, $newlineEscape = "\n" ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound,WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase

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		$string = str_replace( "\0", '', $string );

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		$words  = preg_split( '/([^\w])/u', $string, -1, PREG_SPLIT_DELIM_CAPTURE );

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		$words  = str_replace( "\n", $newlineEscape, $words ); // phpcs:ignore WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase

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		return $words;

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	}

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}