Hi, there is actually a bug when SyncTeX has to manage spaces in file names. This bug only appears in pdfTeX, but not in XeTeX. Here it is: xetex --synctex=1 "my file" creates a file named <my file.synctex.gz>, whereas pdftex --synctex=1 "my file" creates a file named <"my file".synctex.gz>. Note that the 2 quote chars are considered by pdftex part of the name. This difference is due to some "normalize_quotes" function being used differently in XeTeX and pdfTeX. As usual, it is really difficult to understand how TeX handles things internally. This is why I submit you my simple fix before texlive is updated, you may have a better approach. The fix is simply to rely on the output_file_name (instead of the jobname), remove the terminating path extension and append to one required by SyncTeX. It works for the very simple tests I could think of. Do you agree? BTW, it is natural to ask whether different but similar problems may occur. Assuming the funny file named exists xetex tes\"t.tex works properly whereas pdftex tes\"t.tex breaks in the normalize_quotes function with the message: ! Unbalanced quotes in argument tes"t.tex Are there reasons for such a discrimination?