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bin/39139: sh doesn't handle quoting in ${foo#bar} correctly

>Number:         39139
>Category:       bin
>Synopsis:       sh doesn't handle quoting in ${foo#bar} correctly
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jul 12 21:50:00 +0000 2008
>Originator:     Seebs
>Release:        NetBSD 3.0.1
System: NetBSD 3.0.1 NetBSD 3.0.1 (GUILD) #0: Thu Sep 21 
18:11:24 CDT 2006 root@:/usr/src/sys/arch/i386/compile/GUILD i386
Architecture: i386
Machine: i386
        In ${foo#bar} expansions, bar is treated as a pattern -- but is
        subject to quoting, which removes the special meanings of pattern
        echo ${a#?} => ''
        echo ${a#\?} => '', should be 'b'.
        None obvious.  pdksh/ksh93/bash do this right.

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