#237 "Join trees" feature and error messages

[Marianne Santaholma]

* JOIN TREES *

The error/notification messages are a bit confusing in case one doenst use the feature correctly..

The correct use is to choose two items in the list that have cut and press "Join trees" (?).
And this works well!

Now if I select one lexical item in the item list (like "noun light (cut)") and click "join trees"
I get a pop up message "Warning for join".
The warning text is "Neither item 11 or item 11 has a cut".
After clicking "ok" follows a pop up "Warning for join" with text "No errors".

Now if I choose an higher level constituent ("Main. switch off the noun (cut)")
and press "Join trees" I get a pop up saying: "Please enter which item should come first?"
* If I choose a number of the item i choosed I get "Imcompatible categories : noun and Main.
* If I choose a number of another item that normally can be joined with the first one
(by selecting both the same time and pressing join trees), I get message "No Errors".

I used config "Toy1Course", LOAD -> Stepper.
Parsed & cut sentence was "Switch off the light".

This is quite tricky to explain without showing with the gui so I'm afraid this might not be so clear...

Thanks,
Marianne