printf extension doc bug

[Ulrich Drepper]

"Joseph S. Myers" <jsm28@cam.ac.uk> writes:

> The documentation for glibc's feature for customising printf formats is
> self-contradictory: it gives an example of %z, but says that lengths
> (which now include z) cannot be used as conversions.  This patch changes
> the example and adds a warning about using lowercase letters.

Thanks.  The documentation was simply out of data after adding z
handling.

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