Correct format for .pls file?

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Hi all,

Been ages since I've been around here!

Quick question, what is the correct format for a .pls file that has a link to 2 live streams so that, for example, if one stream is not there, it will jump to the next one? I've seen conflicting information regarding the structure for including two URL's, whihc one would be the correct one?

[playlist]
File1=http://stream.com:8000
File2=http://stream.com:8002
Title1=Station 1
Title2=Station 2
NumberOfEntries=2

OR

[playlist]
NumberOfEntries=2
Title1=Station 1
File1=http://stream.com:8000
Title2=Station 2
File2=http://stream.com:8002

?

Thanks in advance!