is inserted immediately before the expansion if and only if the
placeholder expands to a non-empty string.
-If you add a `-` (minus sign) after '%' of a placeholder, line-feeds that
-immediately precede the expansion are deleted if and only if the
+If you add a `-` (minus sign) after '%' of a placeholder, all consecutive
+line-feeds immediately preceding the expansion are deleted if and only if the
placeholder expands to an empty string.
If you add a ` ` (space) after '%' of a placeholder, a space