• Sound analysis areas: better visible contrast in intensity curve (green on lime).
• Windows: repaired a bug introduced in 6.3.10 (as a result of the repair mentioned there) by which the Demo window would be insensitive to arrow keys.
• SpeechSynthesizer: repaired a bug that caused Get phonemes from text... to return empty text.
• Repaired a bug that caused Praat to crash when you supplied 0 for the channel number in Sound: Get nearest zero crossing....