Added markdown extensions support #14419
Draft
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Description
As proposed in #1294 (comment), this PR adds support for markdown extensions.
One important change - HTML is sanitized before being passed to
markdown()
function. This still sanitizes user input, but allows markdown to produce "unsafe" HTML like<iframe>
.I'm starting this as draft PR to receive feedback. I'll be able to update docs once desired API is confirmed. Also, let me know if this needs tests and point me to an example I can follow.
Visual changes
No visual changes.
Functional changes
composer cs
command.