Choice of processor

[Paulo Ney de Souza]

Thanks, understood.

PN

On Wed, Mar 5, 2025 at 2:17 PM Karl Berry <karl at freefriends.org> wrote:

>     According to Microtype latest manual, LuaTeX for PDF production lacks:
>      Kerning
>      Spacing
>
> As does XeTeX, and those features "not enabled" in pdfTeX. Nothing has
> "Expansion/manual" enabled either. Anyway, none of that is important in
> practice.
>
> The crucial thing in that table is that "Expansion/automatic" is enabled
> (green star) for PDF output of current luatex, while it is
> "not available" for XeTeX. Which is what I stated before.
>
> It's just one entry in that big table (attached for the heck of it, from
> microtype.pdf for version 3.2a, 2025/02/11), but it's the only
> difference that matters in practice for normal documents (e.g.,
> everything I've ever typeset for TUGboat). In my experience.
>
> If you actually run some sample documents with \usepackage{microtype}
> under both xelatex and lualatex, you will see the difference. --best, karl.
>
>
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