slackware64-current/extras/pure-alsa-system - nonexistent pkg alsa-lib 1.2.3

Looking over FILE_LIST and PACKAGES.TXT in http://mirrors.kernel.org/slackware/...current/extra/ there's references to alsa-lib 1.2.3 in pure-alsa-system subdir, but there is no actual pkg file for alsa-lib-1.2.3

Code:PACKAGE NAME: alsa-lib-1.2.3-x86_64-1_alsa.txz
PACKAGE LOCATION: ./extra/pure-alsa-system
PACKAGE SIZE (compressed): 484 K
PACKAGE SIZE (uncompressed): 2590 K
PACKAGE DESCRIPTION:
alsa-lib: alsa-lib (Advanced Linux Sound Architecture library)
alsa-lib:
alsa-lib: The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI
alsa-lib: functionality to the Linux operating system. This is the ALSA library
alsa-lib: (libasound) which is used by audio applications.
alsa-lib:
alsa-lib: For more information, see http://alsa-project.org
alsa-lib:Code:-rw-r--r-- 1 root root 401 2020-06-09 20:08 ./pure-alsa-system/alsa-lib-1.2.3-x86_64-1_alsa.txt
-rw-r--r-- 1 root root 492604 2020-06-09 20:08 ./pure-alsa-system/alsa-lib-1.2.3-x86_64-1_alsa.txz
-rw-r--r-- 1 root root 163 2020-06-09 20:08 ./pure-alsa-system/alsa-lib-1.2.3-x86_64-1_alsa.txz.ascActual files listed in pure-alsa-system/:

Code:alsa-lib-1.2.2-x86_64-1_alsa.txt 22-Feb-2020 05:39 401
alsa-lib-1.2.2-x86_64-1_alsa.txz 22-Feb-2020 05:39 468K
alsa-lib-1.2.2-x86_64-1_alsa.txz.asc 22-Feb-2020 05:39 163Is this an error?