K 10 svn:author V 3 des K 8 svn:date V 27 2004-09-27T18:43:18.000000Z K 7 svn:log V 231 Attempting to unset an undefined variable or function should not be considered an error according to the Open Group Base Specification. PR: standards/45738 Submitted by: Matthias Andree MFC after: 3 days END