Markus Krötzsch <> changed:

           What    |Removed                     |Added
           Severity|minor                       |enhancement

--- Comment #1 from Markus Krötzsch <> 2011-01-23 
16:50:27 UTC ---
Yes, I think that this is probably best addressed by a default value for
property printouts in queries. Using the existing printout parameter syntax,
the appropriate way of supporting this would be 

{{#ask: [[X]]
| ?y |+default=No values for y
| ?z |+default=No values for z

Unfortunately, printout parameters are not currently supported by Special:Ask.
It is also not so clear how this would fit into the internal architecture
regarding datatypes. Some formats like timeline expect Type:Date properties to
return dates, but the default value would probably rather be a Type:String

If these two issues can be addressed, it seems like a useful feature to

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