···<date: 2013-06-27, Thursday>···<from: Philipp Gesang>···
> Hi Hans,
>
> this has been reported by Dohyun Kim [1]: the generic fontloader
> (not Context) serializes some tounicode values as Lua numbers,
> not strings. When re-reading the cache file the values lose all
> leading zeros, so they are no longer well-formed UTF-16BE.
>
> ...
> ["tounicode"]={
> [2329]="E001",
> ...
> [2384]="0063006B", -- <-- correct
> [2385]=00630068, -- <-- invalid
> [2386]=00740074,
> [2387]=00630074,
> [2388]="017F0069",
> ...
>
> Best regards,
> Philipp
>
> [1] https://github.com/lualatex/luaotfload/issues/102
> (Kim’s example works with luatex-plain if you comment out the
> ``\input luaotfload.sty`` line.)
I’ve traced it to luatex-basics-gen.lua. The cache is compiled
with the spec “{reduce = true}” which causes values to be
analyzed and “tonumber()”ed. If I unset the reduce flag, the
values turn out correct in the PDF.
Best,
Philipp
pgp495oNB_xPk.pgp
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