OnDoneShow doesn't fire in HTML version and MP3 export fails

I have designed an entire eLearning based on having the "next" button become visible after the audio narration is complete. It works correctly in the Preview and Run modes.

When I publish to HTML two things happen:

  1. Some WAV audio files are exported as zero-length MP3 files, silently. Nothing should ever fail silently in any program.
  2. For those pages that have valid audio, the audio plays ... and the OnDoneShow event never fires.

I'm amazed that two such basic features would fail so blatantly.

My environment: Lectora X.5 (8226) under Windows XP (SP3), viewing the course using Internet Explorer 8.

Thanks for any help.

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