file-attr-restore and dollar signs

[Wayne Davison]

On Thu, Aug 31, 2006 at 09:24:53PM -0400, Matt McCutchen wrote:
> However, if the input for some reason contained a "\$", it would be
> nice if the script either rejected it or interpreted it in some way
> that did not involve an unexpected interpolation.

I wasn't particularly worried about manually-entered escapes, but I saw
an easy way to improve the parser, so I went ahead and checked-in a
change that avoids the problem with characters such as '$' while not
introducing any unexpected behavior for already-backslash-escaped
characters.

..wayne..