Hi Folks,

I have learned that:

    In some versions prior to Unicode 5.2, conformance clause C7
    allowed the deletion of noncharacter code points [1]

Are there still in existence applications which delete noncharacter code points 
from strings?

Are there any pre-Unicode 5.2 applications still in existence?

The paper at [1] describes the security risk with deleting noncharacter code 
points. Is this risk still a concern, or can one assume that there are no more 
applications which delete noncharacter code points?

/Roger

[1] http://www.unicode.org/reports/tr36/#Deletion_of_Noncharacters


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