See the URL above for details. Briefly, with auctex 11.84, C-c C-c fails to compile Japanese LaTeX files. Though it is an upstream bug, a patch is available at the URL above. Reproducible: Always Steps to Reproduce: 1. open a Japanese LaTeX file ("foo.tex" in the result below) with auctex 2. C-c C-c Actual Results: Compilation stops, or even doesn't start. The output buffer (C-c C-l) shows: Running `pLaTeX' on `foo' with ``platex " -interaction=nonstopmode\input{"foo.tex"}"'' This is pTeX, Version 3.141592-p3.1.10 (euc) (Web2C 7.5.4) ! I can't find file `" -interaction=nonstopmode"'. <to be read again> \let <*> " -interaction=nonstopmode\input {foo.tex}" Please type another input file name:
Fixed in CVS.