SyncTeX not working right with LuaLaTeX in TeX Live

Benedikt Wilde bwilde at
Tue Jan 18 23:45:29 CET 2022

Hello everyone,

I am experiencing an issue with SyncTeX and LuaLaTeX in TeX Live. When I 
run `lualatex` with `-synctex=1`, the synchronization between the PDF 
and the TeX file does not work correctly. For example, typesetting the 
attached example file and Ctrl + Clicking on the "1" in the resulting 
PDF in the TeXstudio previewer takes me to the `3` in the source. In 
real documents the difference can be much larger.

Searching online I found a matching bug report in TeXstudio's bug 
tracker from three years ago [1] but it has long been closed as the 
people there deemed it to be a bug in TeX Live. As I could not find 
anything else (but the issue is still present in an up to date TeX 
Live), I also asked a question about it on Stack Exchange with some more 
detail [2].


Here's the gist of what I know:

- The issue appears with `lualatex`, not with `pdflatex`.

- The issue appears with TeX Live on Windows, not with MiKTeX or MacTeX.

- I have confirmed the issue with both TeXstudio and TeXworks on my 
machine. One user reported the issue _not_ appearing when using 
sumatra as the viewer and winedt as the editor.

I am unsure if SyncTeX is doing something wrong or if several PDF 
viewers are, but since the affected TeXshop is shipped with TeX Live I 
hope that this mailing list is the right place to turn to.


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