bug#7574: [PATCH]: echo, printf, stat: Allow only up to 8 bit octal input for backslash-escaped chars

[Ondrej Vasik]

Paul Eggert wrote:
> As a minor point, both uses like this:
> 
> '4' <= *p && *p <= '7'
> 
> can be replaced with something like this:
> 
> '4' <= *p
> 
...
> 
> The replacements are not only shorter, but easier
> to understand, because otherwise the reader is left
> wondering why that unnecessary comparison to '7'
> (or '0') is in there.

Yep, you are right - as the octal value of *p/*b is checked later, this
shorter way is better readable and shorter.
Added the NEWS entry in addition to address Eric's email.

Greetings,
         Ondrej Vasik

escaped-ninebit-octal-char.patch
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