None of these rules is supposed to be changed by users, so move them out of /etc. Custom rules, and automatically generated rules stay in /etc. All rules are still processed in lexical order, regardless which directory they live in.
DEVPATH=/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda6 SUBSYSTEM=block ... ID_FS_USAGE=filesystem ID_FS_TYPE=ext3 ID_FS_VERSION=1.0 ... FSTAB_NAME=/dev/disk/by-id/scsi-SATA_ST910021AS_3MH0Y3KF-part6 FSTAB_DIR=/home/kay/work FSTAB_TYPE=ext3 FSTAB_OPTS=defaults FSTAB_FREQ=1 FSTAB_PASSNO=1