When the value of a String property is null, an input of that property contains the string ‘null’. When saved this is not again replaced by null, but by the string ‘null’, which can lead to erroneous behaviour. Thus, the toString of a null valued string property should be the empty string.

Submitted by Eelco Visser on 15 February 2010 at 10:13

On 2 April 2010 at 14:01 Eelco Visser commented:

This problem still exists (and causes errors in data in researchr)

On 6 April 2010 at 11:19 Danny Groenewegen commented:

fixed in revision 3805

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