--- a/src/Pure/ML/ml_process.scala Sat Nov 08 20:16:08 2025 +0100
+++ b/src/Pure/ML/ml_process.scala Sat Nov 08 21:18:32 2025 +0100
@@ -157,7 +157,7 @@
"C:" -> (arg => cwd = Path.explode(arg)),
"d:" -> (arg => dirs = dirs ::: List(Path.explode(arg))),
"e:" -> (arg => eval_args = eval_args ::: List("--eval", arg)),
- "f:" -> (arg => eval_args = eval_args ::: List("--use", arg)),
+ "f:" -> (arg => eval_args = eval_args ::: List("--use", File.platform_path(arg))),
"l:" -> (arg => logic = arg),
"m:" -> (arg => modes = arg :: modes),
"o:" -> (arg => options = options + arg),