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Improvement
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    Resolution: Fixed
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Major
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    None
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    jenkins 1.537 (current master)
 
Jenkins should support following variable expansions:
- A=foo, B=bar, C=${foo}${bar} (
JENKINS-19488) - PATH=/some/other/path:${PATH} (broken in 
JENKINS-19488and fixedJENKINS-19926) - PATH+XYZ=/some/other/path (a little broken in 
JENKINS-19926) 
JENKINS-19488 (3eea39648943583a530f47f69f93737266537d9d) and JENKINS-19926 (b95f2694529d22523701e8fe20f4f20b2f4d9fc4) did that in a too ad hoc way, and I'll re-implement it in more general way.
- is blocking
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JENKINS-16255 Jenkins doesn't handle system wide environment variables which exist in different cases
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 - Resolved
 
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- is related to
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JENKINS-19926 SSH not found in Jeninks version > 1.532
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 - Resolved
 
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JENKINS-16255 Jenkins doesn't handle system wide environment variables which exist in different cases
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 - Resolved
 
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JENKINS-19488 Inconsistent expansion of env vars
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 - Resolved
 
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