Question 1

Does Down support GitHub Flavored Markdown?

Accepted Answer

No, Down is strictly compliant with the CommonMark specification and does not include GFM extensions like tables or task lists. You'd need to preprocess Markdown or use another library for those features.

Question 2

How to customize the styling of DownView in my iOS app?

Accepted Answer

You can configure DownView with a custom bundle containing your own HTML and CSS files. Override the default stylesheet in the bundle to match your app's design, as mentioned in the configuration section.

Question 3

Down vs MarkdownUI for Swift projects?

Accepted Answer

Down is a high-performance parser with multiple output formats, ideal for processing and conversion tasks. MarkdownUI is a SwiftUI-based renderer focused on UI components, better for integrated interfaces in SwiftUI apps.

Question 4

How to convert Markdown to an NSAttributedString using Down?

Accepted Answer

Use the `toAttributedString()` method on a Down instance. It defaults to a stylesheet matching NSAttributedString's font, but you can pass a custom stylesheet parameter for different appearances.

Question 5

Is Down suitable for server-side Swift on Linux?

Accepted Answer

Yes, Down supports Linux and works with Swift Package Manager, making it a good choice for server-side Markdown processing in frameworks like Vapor.

Question 6

What are the performance benchmarks for Down?

Accepted Answer

Down inherits cmark's performance, which is extremely fast—able to render large documents in milliseconds. While specific benchmarks aren't in the README, cmark is known to be 10,000 times faster than original Markdown.pl.

Down

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