Recent versions of syslinux (at least applies to v3:6.03~pre1+dfsg-4)
split the packages into isolinux, pxelinux, syslinux + syslinux-common.
hdparm
hwinfo
initramfs-tools
+isolinux
kbd
less
live-boot-grml live-boot-grml-doc
openssh-client
openssh-server
pciutils
+pxelinux
resolvconf
rsync
rsyslog
strace
+syslinux
udev
usbutils
uuid-runtime
lilo
mbr
parted
-syslinux
# disk wiping
nwipe
statserial
sudo
symlinks
-syslinux
sysvinit
sysvinit-utils
tar
smartmontools
statserial
sudo
-syslinux
sysvinit
sysvinit-utils
tar
synergy
syrep
sysfsutils
-syslinux
sysprof
sysstat
systune