"Solution" to collapse option on group context menu

[Willem Ferguson]

I have been playing around quite a bit to understand the collapse 
instruction by right-clicking for the context menu of a group header in 
the dive list after using auto-group. After auto-grouping, each group 
gets a banner in the dive list with a triangle on the left to expand or 
collapse the group. This works perfectly every time. When right-clicking 
(i.e. context menu) on the banner for a group, there is also a collapse 
option. This is faulty (or at least unclear) at the moment. If all 
groups are expanded and one hits right-click collapse with focus on an 
expanded group, all other groups are collapsed except for the 
highlighted group. Looks like there may be a simple logical statement 
(if statement??) that is programmed the wrong way round. However, if 
some groups are expanded and others collapsed, then the behaviour of the 
right-click collapse button is unpredictable.

However, since the collapse or expand of a single group can easily and 
consistently be done by using the triangle on the left of the group 
banner, would it not be easiest at this point in time to just remove the 
collapse option from the right-click context menu?

Kind regards,
willemf