Chrome can print straight to pdf, or you can install a pdf print driver, such as
pdfcreator. It's a bit of work though, because the Component Reference section is broken up into many subsections.
Roku could potentially enable pdf export in the wiki software they use:
https://confluence.atlassian.com/displa ... umentationI don't know if there'd be legal, technical, or policy reasons that would prevent them from enabling this. On the other hand, I was one of the users asking for a wiki when the docs were only provided in pdf form, so I personally can't really be too upset at them for no longer providing the pdfs :). I like being able to link to the online docs here in the forums, which is something the pdfs don't allow for, and am rarely without online access when I would need them. I realize not everyone has always-available internet, so that's one good reason to keep a pdf version of the docs up to date.
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