It didn't. This is called a threaded view (parent/child). By default its chronological. Example 
perlquestion
- 1st reply to perlquestion
  - 1st reply to 1st reply to perlquestion
- 2nd reply to perlquestion
  - 1st reply to 2nd reply to perlquestion
- reply 3
- reply 4

[download]
It doesn't matter if 1st reply to 1st reply to perlquestion got created after 2nd reply to perlquestion, its not a reply to perlquestion.

MJD says "you can't just make shit up and expect the computer to know what you mean, retardo!"
I run a Win32 PPM repository for perl 5.6.x and 5.8.x -- I take requests (README).
** The third rule of perl club is a statement of fact: pod is sexy.

In reply to Re^3: Thread to read a file every second by PodMaster
in thread Thread to read a file every second by Nalina

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