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    SubjectRe: [PATCH] Stop printk printing non-printable chars
    On Sat, 19 Jun 2004, Matthias Urlichs wrote:

    > Hi, Jesper Juhl wrote:
    > > [ printing control characters as "meaningful" C escapes ]
    > > or am I not making sense?
    > No, you're not. ;-)
    Ok, I had a feeling that might be so. But I did not intend them to be
    printed as '"meaningful" C escapes', I meant "why filter out \v or \f,
    someone might find a clever use for them and they do no real harm

    > Reason: They're not intended to be meaningful. If the kernel prints them,
    > the reason isn't that somebody actually used an \a or \v in there, so
    > doing that isn't helpful. (Quick, what's the ASCII for \v?)
    What I meant was not for the kernel to attempt to print something like \a
    , but it could be useful for it's original purpose of making a sound.. If
    it's simply filtering out what goes to the screen (log, serial line,
    whatever), but not preventing other uses, then my comments made no
    sense... and 0x0B is \v I believe...

    Jesper Juhl <>

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