diff -r 472e48ed9c79 -r 279b18bb4059 src/Pure/General/position.ML
--- a/src/Pure/General/position.ML	Sat Apr 01 14:32:02 2023 +0200
+++ b/src/Pure/General/position.ML	Sat Apr 01 14:50:43 2023 +0200
@@ -35,7 +35,7 @@
   val copy_id: T -> T -> T
   val id_properties_of: T -> Properties.T
   val parse_id: T -> int option
-  val advance_offsets: int -> T -> T
+  val shift_offsets: {remove_id: bool} -> int -> T -> T
   val adjust_offsets: (int -> int option) -> T -> T
   val of_properties: Properties.T -> T
   val properties_of: T -> Properties.T
@@ -188,8 +188,6 @@
       else Pos {line = line, offset = offset', end_offset = end_offset', props = props'}
     end;
 
-val advance_offsets = shift_offsets {remove_id = false};
-
 fun adjust_offsets adjust pos =
   if is_none (file_of pos) then
     (case parse_id pos of