> emdashes are supposed to be used—as a copyeditor once told me—without spaces on either side. But we've all seen the pages where the hyphenator is clueless ab

> emdashes are supposed to be used—as a copyeditor once told me—without spaces on either side. But we've all seen the pages where the hyphenator is clueless about them and creates these massive superlong "words" that screw up paragraph formatting.