Update runtime files
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index a4f3a28..ea8d2c0 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -38,6 +38,8 @@
*known-bugs*
-------------------- Known bugs and current work -----------------------
+*.sil detection with FTsil() (lacygoill, Aug 25)
+
Further Vim9 improvements, possibly after launch:
- Use Vim9 for more runtime files.
- Check performance with callgrind and kcachegrind.
@@ -182,6 +184,10 @@
- allow for nesting of timeout, sketch in #10595
- Add setcmdline() #10869
+Cleanup:
+- Remove OLD_DIGRAPHS ?
+- Remove FEAT_FOOTER ?
+
Add 'splitscroll' #10682 Useful? Any trouble? Null Chilly says it's OK.
suggestion: names instead of numbers for the option value
problem depending on whether window is focused or not