[luatex] The "read" half of TeX_without_TeX (in a REPL)

[Eduardo Ochs]

Done! I've adapted your example and added it to the slides!
Thanks a lot!!! =)

  Eduardo Ochs
    http://angg.twu.net/math-b.html#tug-2018
    http://angg.twu.net/e/luatex.e.html#tex-without-tex-email



On Tue, Jul 17, 2018 at 8:35 PM, Henri Menke <henrimenke at gmail.com> wrote:

>
>
To traverse the glyphs in a box use node.traverse_id().  It's all
> documented in the LuaTeX manual.  The following example will print abc in
> the log.  N.B.: node.traverse_id() does not recurse into sublists.
>
> \setbox0=\hbox{abc}
>
> \directlua{
> local head = tex.box[0].list
> %
> for n in node.traverse_id(node.id("glyph"),head) do
>     print(utf8.char(n.char))
> end
> }
>
> \bye
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