In this case, change
<kbd class="menu">Edit > Preferences > Editor > Regions in
active edit groups are edited together:</kbd> to <kbd
- class="menu">whenever they overlap in time</kbd>. With this option enabled, r
- egions in different tracks will be considered equivalent for the purposes of selection if they
+ class="menu">whenever they overlap in time</kbd>. With this option enabled,
+ regions in different tracks will be considered equivalent for the purposes of selection if they
<dfn>overlap</dfn>. This is much more flexible and will cover almost all of the
cases that the fixed rules above might make cumbersome.
</p>