helper/variables: trim whitespace around the key in -var #10717
Merged
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Fixes #10716
This trims whitespace around the key in the
-var
flag.This is a regression from 0.7.x.
The value is whitespace sensitive unless double-quoted. This is the same
behavior as 0.7.x. I considered rejecting whitespace around the '='
completely but I don't want to introduce BC and the behavior actually
seems quite obvious to me.
Non-regression from 0.7.x but added in here trivially: verify the key is non-empty.