- width (no empty columns before or after the first or last aligned\r
- residue). This is useful when making a tree using unaligned\r
+ width (so there no empty columns before or after the first or last aligned\r
+ residue) and all sequences will be padded with gap characters to\r
+ the before and after their terminating residues.<br>\r
+ This switch is useful when making a tree using unaligned\r