Strange behaviour of the "cd" command

[Ralf Mardorf]

On Mon, 24 Jul 2017 21:52:54 +0200, Ralf Mardorf wrote:
>On Mon, 24 Jul 2017 21:47:16 +0200, Ralf Mardorf wrote:
>>[snip]
>>On GitHub there are only images from 4 years ago and regarding
>>
>>https://tracker.debian.org/media/packages/k/ksh/rules-93u%2B20120801-3.1
>>
>>the download is available by an AT&T website. Regarding the
>>DL_VERSION, it seems to be 5 years old.
>>
>>#!/usr/bin/make -f
>>
>>PACKAGE = ksh
>>
>># Variables just for get-orig-source
>>SRC_VERSION := 93u+20120628
>>DL_VERSION = 2012-06-28
>>[snip]
>>However, the perhaps interesting part is inside the Arch User
>>Repository's PKGBUILD,
>>https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=ksh .
>>
>>[snip]
>>pkgver='2014.06.25beta'
>>pkgrel='1'
>>source=("http://${_opt_EPLUSERE}:${_opt_EPLPASS}@www2.research.att.com/~astopen/download/beta/INIT.2014-12-24.tgz"
>>        "http://${_opt_EPLUSERE}:${_opt_EPLPASS}@www2.research.att.com/~astopen/download/beta/ast-base.2014-06-25.tgz"
>>        "http://http.us.debian.org/debian/pool/main/k/ksh/${_debfile}"
>> # man page and misc files
>>[snip]  
>
>From the Arch PKGBUILD I missed this:
>
>[snip]
>else
>pkgver='2012.08.01'
>pkgrel='5'
>[snip]
>
>So there even seems to be a more recent stable version provided, than
>available by Debian repositories.

I'm confused, actually Debian seems to provide the same stable release
as the Arch PKGBUILD does:

"o-o-stable: 93u+-1.2
 oldstable: 93u+20120801-1
 stable: 93u+20120801-3.1
 testing: 93u+20120801-3.1
 unstable: 93u+20120801-3.1" - https://tracker.debian.org/pkg/ksh

So I don't understand the rules files available by
https://tracker.debian.org/pkg/ksh .