An auto-generated excerpt will also have all shortcodes and tags removed. It is trimmed down to a word-boundary and the default length is 55 words. For languages in which words are (or can be) described with single characters (ie. East-Asian languages) the word-boundary is actually the character.An auto-generated excerpt will also have all shortcodes and tags removed. It is trimmed down to a word-boundary and the default length is 55 words. For languages in which words are (or can be) described with single characters (ie. East-Asian languages) the word-boundary is actually the character.