Yes as some other people pointed out (and also one of the authors: https://github.com/SwiftLaTeX/SwiftLaTeX/issues/12 https://github.com/SwiftLaTeX/SwiftLaTeX/i

Yes as some other people pointed out (and also one of the authors: https://github.com/SwiftLaTeX/SwiftLaTeX/issues/12 https://github.com/SwiftLaTeX/SwiftLaTeX/issues/12), the source is available at https://github.com/SwiftLaTeX/PdfTeXLite https://github.com/SwiftLaTeX/PdfTeXLite -- just needs to be cleaned up a bit to make it clearer what the diffs are.