note 21879 added to language.expressions

Regarding short-circuit expression, it is a frozen feature, not a coincidence. At least, that's what I read from the URL below. http://www.php.net/manual/en/migration.booleval.php Now, I sometimes feel the need for BNF-written document to explain PHP syntax to others...does anyone know where I can find one? -- http://www.php.net/manual/en/language.expressions.php http://master.php.net/manage/user-notes.php?action=edit+21879 http://master.php.net/manage/user-notes.php?action=delete+21879 http://master.php.net/manage/user-notes.php?action=reject+21879