SMPTE time codes - error in example or ABNF specification.

Hello,
in part "4.3.1.2 SMPTE time codes" there is ABNF specification of how  
frame time for SMPTE time code should look like:
frametime     = 1*DIGIT ":" 2DIGIT ":" 2DIGIT [ ":" 2DIGIT [ "." 2DIGIT ] ]
Although the last part (frame specification, after ".") is "2DIGIT",  
later in the example there is only one digit for frame:
t=smpte-25:0:02:00:00,0:02:01:12.1 # => results in the time interval  
[120,121.5)
in the range end time (0:02:01:12.1).
Either ABNF or example is mistaken.

Best regards,
Jakub Sendor


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