Track subdivisions

[hba1c]

If a track is subdivided into parts, the prev and next buttons should switch between these parts and not between tracks.

This is the cue/sheet for the Rush album Caress of Steel:

REM GENRE "Progressive Rock"
REM DATE 1975
REM DISCID 380A9505
REM COMMENT "ExactAudioCopy v0.99pb4"
PERFORMER "Rush"
TITLE "Caress Of Steel [Japan AMCY-316]"
FILE "01 - Bastille Day.wav" WAVE
  TRACK 01 AUDIO
    TITLE "Bastille Day"
    PERFORMER "Rush"
    INDEX 01 00:00:00
  TRACK 02 AUDIO
    TITLE "I Think I'm Going Bald"
    PERFORMER "Rush"
    INDEX 00 04:39:25
FILE "02 - I Think I'm Going Bald.wav" WAVE
    INDEX 01 00:00:00
  TRACK 03 AUDIO
    TITLE "Lakeside Park"
    PERFORMER "Rush"
    INDEX 00 03:39:02
FILE "03 - Lakeside Park.wav" WAVE
    INDEX 01 00:00:00
  TRACK 04 AUDIO
    TITLE "The Necromancer"
    PERFORMER "Rush"
    INDEX 00 04:08:47
FILE "04 - The Necromancer.wav" WAVE
    INDEX 01 00:00:00
    INDEX 02 04:13:17
    INDEX 03 08:38:67
  TRACK 05 AUDIO
    TITLE "The Fountain Of Lamneth"
    PERFORMER "Rush"
    INDEX 00 12:32:10
FILE "05 - The Fountain Of Lamneth.wav" WAVE
    INDEX 01 00:00:00
    INDEX 02 04:18:33
    INDEX 03 05:20:45
    INDEX 04 09:40:08
    INDEX 05 12:55:68
    INDEX 06 16:09:55

The tracks 4 and 5 have subdivisions (indexes) because the tracks are very long

Best regards