Stick words together with inset, e.g. in a description label

[racoon]

Hi,

I often use description items (labels) consisting of several words. 
According to the "LyX User's Guide" I should "stick" them together with 
"Protected Space". Alternatively, one could instead stick words together 
with an inset.

One small benefit is that one does not have to remove special spaces 
when copy and pasting.

I used a conglomerate inset. But I am not fully satisfied with the 
visuals because there is extra space added around the inset, especially 
on the bottom where normally is the LabelString is shown. Is there a way 
to control these extra spaces?

As for the LabelString: I tried to remove the LabelString entry in the 
module but that just gives UNDEFINED as a LabelString for some reason. 
And using an empty string "" still creates a gap below.