[COMMITED][v2] manual: Remove incorrect claim that qsort() can be stabilized

[Andreas Schwab]

Paul Eggert <eggert@cs.ucla.edu> writes:

> The last clause is incorrect.  C11 and POSIX both require that the
> addresses passed to the comparison function must point to elements of the
> original array, and glibc qsort conforms to the standards here.

That is only true for bsearch:

    "The comparison function pointed to by compar is called with two
    arguments that point to the key object and to an array element, in
    that order."

The description for qsort does not say that:

    "The contents of the array are sorted into ascending order according
    to a comparison function pointed to by compar, which is called with
    two arguments that point to the objects being compared."

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."