% It is impossible to get the document language because the document could start with a command,
% whitespace, and English word or whatever and the rest is in Japanese. Checking for the first CJK
% environment is no solution because the document could be English and contain only some Japanese.
% It is impossible to get the document language because the document could start with a command,
% whitespace, and English word or whatever and the rest is in Japanese. Checking for the first CJK
% environment is no solution because the document could be English and contain only some Japanese.