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# revealjs (development version)
+- Add `title-slide` id on the auto generated title slide to ease the styling using CSS.
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+- Support `background-image` pandoc's variable as other slide framework to customize the option `parallaxBackgroundImage`. This duplicates the variable `parallaxBackgroundImage` which still get precedence.
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- Fix template to add the necessary CSS to format [columns layout](https://pandoc.org/MANUAL.html#columns) and other Pandoc's features (thanks, @atusy, #82).
- Fix an issue with some configurations keys for chalkboard plugin - multiple value are now correctly passed to Pandoc's template (thanks, @grayknight2, @atusy, #62, #88).