Conflict with \accent and xcolor in tabular environment
Thank you for the report. The commit 33b01b7 should fix this issue (I attach the changed file, ltj-jfmglue.lua).
Wow, that was fast. The update works like magic. Thanks!
I close this ticket, because the new version (20210214.0) is uploaded to CTAN.
LuaTEX-ja version 20210103.0
Consider the following MWE:
It fails to compile with the following message:
Removing [table] from \usepackage[table]{xcolor} makes it work.