I just read in the changelog of syslinux-common, that pxelinux 3.70 and
newer versions does not need a tftpd which has the tsize option. Currently
FAI recommends the package tftp-hpa which supports this option, we may
remove this in the future.

>From the changelog of syslinux-common:

 * PXELINUX: We no longer require a TFTP server which supports
   the tsize option for all transfers.

-- 
regards Thomas

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