On 8/3/2020 7:57 PM, Marcel Fabian Krüger wrote:

Hi,

recent LuaMetaTeX versions no longer automatically resize the fontdimen arrays on assignments.

indeed, using font dimens for other purposes than fonts is pre-etex hackery that (c|sh)ould have been abandoned decades ago

Is there a way to manually resize them or is it necessary to reload a patched font you want more fontdimens?

no (tex uses the first 7 in text mode and some more in traditional math fonts but even those get remapped) ... if a font needs more then it's probably at the lua end and one then can deal with additional properties differently

Also, there is an issue with the error message (I guess) for font.setfontdimen:

\starttext \directlua{font.setfontdimen(0, 8, 0)} \stoptext

gives

token call, execute: invalid option '%i' to 'lua_pushfstring' stack traceback: [C]: in function 'font.setfontdimen' [ctxlua]:1: in main chunk

1 \starttext 2 >> \directlua{font.setfontdimen(0, 8, 0)} 3 \stoptext 4 ok, lua only handles %d, so i'll fix that, but all that code is in flux anyway, definitely undocumented

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