[postgis-tickets] [PostGIS] #2956: ST_AsTWKB(NULL) crashes the backend

[PostGIS]

#2956: ST_AsTWKB(NULL) crashes the backend
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 Reporter:  strk     |       Owner:  nicklas      
     Type:  defect   |      Status:  new          
 Priority:  blocker  |   Milestone:  PostGIS 2.2.0
Component:  postgis  |     Version:  trunk        
 Keywords:           |  
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Comment(by nicklas):

 What is the right behavior? Error or return null?

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2956#comment:2>
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