unexpected parameter expansion

[Gerrit Pape <pape@xxxxxxxxxxx>]

Hi, I get unexpected output with dash doing parameter expansions with }
within quotes involved, e.g.

$ dash -c 'foo=; echo ${foo:-"{a}bar"}'
{abar}
$ 

I expected:
{a}bar

http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_02
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=581428

Sorry, I don't have a patch to suggest.

Thanks, Gerrit.
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