Improve PDF accessibility by enabling --export-tagged-pdf Chromium option #269
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Add
--export-tagged-pdfoption as the default option of Puppeteer to create PDF with improved accessibility.Chromium team announced upcoming Chrome is going to be able to make tagged PDF.
https://blog.chromium.org/2020/07/using-chrome-to-generate-more.html
Puppeteer had tried to make
--export-tagged-pdfas the default option since Jan at puppeteer/puppeteer#5337. However, currently it's not yet added. By adding the option in Marp CLI, users will benefit of this in early.Marp CLI have recieved a feedback by users who uses screen reader in #236. So this is important to keep continuous improvements for optically challenged users.
In addition, the added meta data may improve the quality of editable PPTX converted from PDF by third-party tools. Just Marp CLI cannot create the editable PPTX (#166 (comment)) so it's also important for power users who using extra tools.