Subject: Stuff after commas oddly colored in Shell-script mode

From: Dan Jacobson <[email-masked]>
Date: Fri, 03 Mar 2023 12:59:32 +0800

Shell-script mode defined in sh-script.el,
gives odd colored stuff after commas:
$ cat x.sh
gpsbabel -i kml -f $1 \
	 -x nuketypes,waypoints -x interpolate,time=1 \
	 -x track,start=$2,stop=$2 -o xcsv,style=x.style -F -
$ emacs -Q x.sh
emacs-version "28.2"