export + default value parameter expansion -> broken dash parser

export + default value parameter expansion -> broken dash parser

[Mike Frysinger]

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dash is unable to parse:
unset A; export ${A- -E}

results in:
export: 1: -E: bad variable name
-mike

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Re: export + default value parameter expansion -> broken dash parser

[Sven Mascheck]

On Sun, Nov 01, 2009 at 04:20:37PM -0400, Mike Frysinger wrote:
> dash is unable to parse:
> unset A; export ${A- -E}

...let alone:

$ unset A; export ${A- -p}

hell is loose!

no, phew, just a mishap about the parameter
itself going poof when being expanded.