Change to Number-based opacity attributes

In v9.7.0 , several attributes that control opacity formerly were percentages, with a range of 0–100.

• $CaptionOpacity
• $GridOpacity
• $Opacity
• $PlotBackgroundOpacity
• $SubtitleOpacity
• $TimelineBandLabelOpacity
• $TitleOpacity
• $NameOpacity

This was inconsistent with other attributes that use a range of 0–1.0. Tinderbox now prefers the range 0–1.0. On loading, the opacity attributes above will be automatically adjusted to fall in the range 0–1.

Ideally user actions using the old value range should be updated accordingly, i.e. a hard-coded value of 75 should be updated to 0.75.

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See also—notes linking to here:

• Opacity
• NameOpacity
• GridOpacity
• SubtitleOpacity
• PlotBackgroundOpacity
• CaptionOpacity
• TimelineBandLabelOpacity
• TitleOpacity