[OS X TeX] TeXShop lualatexmk-dev engine

[Murray Eisenberg]

Environment: TeXShop 5.52, TeXLive 2025 up-to-date, macOS Sequoia 15.4.1.

A book-length document compiles fine using lualatexmk. But when I try to compile using the development version of lualatex with lualatexmk-dev, I immediately get error, as shown here in the console window:

Rc files read:
  /Users/me/Library/TeXShop/bin/latexmkrcedit
  /Users/me/Library/TeXShop/bin/tslatexmk/lualatexmkrc-dev
  ./platexmkrc
Latexmk: This is Latexmk, John Collins, 27 Dec. 2024. Version 4.86a.

------------
Latexmk: Could not find file 'n'.
-- Use the -f option to force complete processing.

Comparing files lualatexmk and lualatexmk-dev, dated Apr 26, 2025, and Mar 23, 2022, respectively, I find the following difference on Line 27:

## lualatexmk
	export localrc=( -r ./platexmkrc )

## lualatexmk-dev
	export localrc=(n -r ./platexmkrc )

I suspect that that "n" in line 27 is the source of the error. Is that an error in the engine? If not, what does the "n" here mean and how can I fix things?

---
Murray Eisenberg		murrayeisenberg at gmail.com
Mobile (413)-427-5334
503 King Farm Blvd #101		
Rockville, MD 20850-6667	



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