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[Help-bash] Can anyone explain this?

From: Bill Gradwohl
Subject: [Help-bash] Can anyone explain this?
Date: Fri, 4 May 2012 15:52:51 -0600
#!/bin/bash

declare -r Debug='yes'

prepArea() {
   local -r Debug='x'
echo hello "${Debug}" there
exit
}

prepArea
exit 0
======================
Produces:
address@hidden ycc# ./xxx
./xxx: line 6: local: Debug: readonly variable
hello yes there


I think this is a bug.

--
Bill Gradwohl

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