is discarded. Press the "Apply" button to remove redundant sequences. \r
The "Undo" button will undo the last redundancy deletion.</em></li>\r
<li><strong>Pad Gaps<br>\r
- </strong><em>Adds gaps to the end of all the sequences so they are all the \r
- same length. This is useful for making a tree using unaligned sequences.<br>\r
+ </strong><em>When selected, the alignment will be kept at minimal\r
+ width (no empty columns before or after the first or last aligned\r
+ residue). This is useful when making a tree using unaligned\r
+ sequences and when working with alignment analysis programs which\r
+ require 'properly aligned sequences' to be all the same length.<br>\r
You may set the default gap character in <a href="../features/preferences.html">preferences</a>. \r
</em></li>\r
</ul>\r