Release 1.08 of Date::Holidays had some issues with the test suite, which resulted in numerous failure reports from CPAN-testers, please see issu...
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What adds the "smart double quotes" to the code?
I use plain Markdown code fence with programming language perl specified.
Please see: the Markdown cheatsheet as pointed to by the editor guide on dev.to
I cannot demonstrate it here, but I wrote up a TIL on how to do it for GitHub flavoured Markdown