[syslinux] TEST IMG/ISO FAILS in syslinux 5.01

[Prof S W Damle]

The followings WORKS OK in Syslinux-4.06
 
LABEL ** ^TEST IMG/ISO File.
  kernel /test/memdisk 
 initrd  test/filename.iso                            
 append  iso    
 #  [if not use iso raw] 
TEXT HELP
[Tab] >Use (i) iso  initrd=test/filename.iso OR (ii)
initrd=test/filename.extn
ENDTEXT  
However sorry to say FAILS in Syslinux-5.01
 
Thanks in advance.
 
Prof S W Damle