[etoys-dev] bug with variable types

[Markus Schlager]

Hi all,

Attached a screenshot of a typical problem several of my pupils ran into 
recently:

- create a variable (partner)
- create a script using this variable (script1) 
- change the value type of the variable (e.g player instead of number)
- run the script

I think at least a warning should appear in case a user tries to change 
the type of a variable used already within any script. Wishlist: show also 
a list of all scripts the variable is being used in.

Markus
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