PSPP-BUG: [bug #21760] Independent samples t test dialog fails to define groups

[John Darrington]

Follow-up Comment #5, bug #21760 (project pspp):

This rather messy patch fixes the problem.

It also highlights an issue which I think needs to be dealt with post 0.6.0,
namely that of comparing values.  I don't think it's meaningfull to compare
values unless the format of the variable to which they belong is also known,
and if it's a string variable, then we also need to know the encoding.   But
there are a number of places where we're gratuitously comparing values,
without knowing they're semantics.

(file #14630)
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Additional Item Attachment:

File name: ttstr.patch                    Size:6 KB


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