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Postings from July 2000
On Fri, Jul 14, 2000 at 03:34:59AM +0100, Hugo wrote:
> Mike Guy followed up on Per Lindquist's bug report with:
> :Here's a cut down version of your test case which shows the effect:
> :
> : use re 'debug';
> : $_ = "P FIRST = 0\nP " . join(" = 0\nP ", 1..5) . " = 0\nP LAST = 0\n";
> : /(.*)LAST(.*=).*/;
> [...]
> :Back to the bug: the debug output shows that in perl5.005_03, the
> :RE engine is indeed behaving as described above. But the output
> :under perl5.6.0 shows that instead of the quadratic rummage over
> :'P FIRST = 0', it's doing a cubic search.
>
> This is caused by the change commented out below. I'll try to see if
> I can determine when that change helps, and if there is some way to
> distinguish the cases.
>
> It would help if I could determine which patch applied the change, and
It was the "hopscotch", change #4586 back in November.
--
$jhi++; # http://www.iki.fi/jhi/
# There is this special biologist word we use for 'stable'.
# It is 'dead'. -- Jack Cohen
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