Added -no_empty switch to export_vars. If specified, variables with an empty string value will be suppressed from being exported. This avoid…
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Added -no_empty switch to export_vars.If specified, variables with an empty string value will be suppressed from being exported.This avoids cluttering up the URLs with lots of unnecessary variables.If we weren't this close to an important release, I would advocate making -no_empty the default behavior.
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