- 'callback' => 'If specified, wraps the output into a given function call. For safety, all user-specific data will be restricted.',
- 'utf8' => 'If specified, encodes most (but not all) non-ASCII characters as UTF-8 instead of replacing them with hexadecimal escape sequences.',
+ 'callback' => 'If specified, wraps the output into a given function ' .
+ 'call. For safety, all user-specific data will be restricted.',
+ 'utf8' => 'If specified, encodes most (but not all) non-ASCII ' .
+ 'characters as UTF-8 instead of replacing them with hexadecimal escape sequences.',