--- a/src/Pure/Thy/presentation.scala Fri Dec 18 10:37:26 2020 +0000
+++ b/src/Pure/Thy/presentation.scala Sat Dec 19 11:43:24 2020 +0100
@@ -152,7 +152,7 @@
}
- /* maintain chapter index -- NOT thread-safe */
+ /* maintain chapter index */
private val sessions_path = Path.basic(".sessions")