--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -43,6 +43,7 @@ browser use: https://github.com/vim/vim/
 - :s/foo  using CTRL-G moves to another line, should not happen, or use the
   correct line (it uses the last but one line) (Lifepillar, Aug 18, #3345)
 - Also support range: :/foo/,/bar/delete
+- Also support for user command, e.g. Cfilter
 - :%s/foo should take the first match below the cursor line, unless there
   isn't one?
   Then :%s?foo should take the first match above the cursor line.
@@ -109,27 +110,12 @@ Improve fallback for menu translations, 
 files that source the actual file.  E.g. menu_da_de -> menu_da
 Include part of #3242?
 
-Using ":file" in quickfix window during an autocommand doesn't work. 
-(Jason Franklin, 2018 May 23) Allow for using it when there is no argument.
-Patch should now work. (Jason Franklin, 2018 Aug 12)
-
-Include Chinese-Taiwan translations. (bystar, #3261)
-
-Screendump test fails even though characters are the same.
-Some attribute difference that isn't included in the screenshot?
-(Elimar Riesebieter, 2018 Aug 21)
-
 Completion mixes results from the current buffer with tags and other files.
 Happens when typing CTRL-N while still search for results.  E.g., type "b_" in
 terminal.c and then CTRL-N twice.
 Should do current file first and not split it up when more results are found.
 (Also #1890)
 
-Patch to support VTP better. (Nobuhiro Takasaki, 2018 Aug 19, #3347)
-
-Patch with improvement for ccomplete: #3350
-Try it out.  Perhaps write a test?
-
 More warnings from static analysis:
 https://lgtm.com/projects/g/vim/vim/alerts/?mode=list
 
@@ -195,8 +181,22 @@ Adjust windows installer explanation of 
 Set g:actual_curbuf when evaluating 'statusline', not just with an expression.
 (Daniel Hahler, 2018 Aug 8, #3299)
 
+Using an external diff is inefficient.  Not all systems have a good diff
+program available (esp. MS-Windows).  Would be nice to have in internal diff
+implementation.  Can then also use this for displaying changes within a line.
+Olaf Dabrunz is working on this. (10 Jan 2016)
+9   Instead invoking an external diff program, use builtin code.  One can be
+    found here: http://www.ioplex.com/~miallen/libmba/dl/src/diff.c
+    It's complicated and badly documented.
+Alternative: use the xdiff library.  Unfinished Patch from Christian Brabandt,
+2018 Mar 20, #2732)
+
 Difference between two regexp engines: #3373
 
+Patch to add arguments to argc() and argv(). (Yegappan Lakshmanan, 2016 Jan
+24, #832)  Also need a way to get the global arg list?  Update later on Jan 24
+Update Mar 5. Update Apr 7.  Update Jun 5.
+
 When the last line wraps, selecting with the mouse below that line only
 includes the first screen line. (2018 Aug 23, #3368)
 
@@ -245,6 +245,9 @@ 20, #2481)
 Also see #2352, want better control over balloon, perhaps set the position.
 Should also be possible to add highlighting, like in the status line?
 
+Patch to fix that executable() may fail on very long filename in MS-Windows.
+(Ken Takata, 2016 Feb 1)
+
 Try out background make plugin: 
   https://github.com/AndrewVos/vim-make-background
 or asyncmake: 
@@ -430,16 +433,6 @@ CTRL-X on zero gets stuck on 0xfffffffff
 Invalid range error when using BufWinLeave for closing terminal.
 (Gabriel Barta, 2017 Nov 15, #2339)
 
-Using an external diff is inefficient.  Not all systems have a good diff
-program available (esp. MS-Windows).  Would be nice to have in internal diff
-implementation.  Can then also use this for displaying changes within a line.
-Olaf Dabrunz is working on this. (10 Jan 2016)
-9   Instead invoking an external diff program, use builtin code.  One can be
-    found here: http://www.ioplex.com/~miallen/libmba/dl/src/diff.c
-    It's complicated and badly documented.
-Alternative: use the xdiff library.  Unfinished Patch from Christian Brabandt,
-2018 Mar 20, #2732)
-
 ml_get errors with buggy script. (Dominique, 2017 Apr 30)
 
 Error in emsg with buggy script. (Dominique, 2017 Apr 30)
@@ -1128,9 +1121,6 @@ Patch to add <restore> to :windo, :bufdo
 6, 2nd message)
 Alternative: ":keeppos" command modifier: ":keeppos windo {cmd}".
 
-Patch to fix that executable() may fail on very long filename in MS-Windows.
-(Ken Takata, 2016 Feb 1)
-
 Patch to fix display of listchars on the cursorline. (Nayuri Aohime, 2013)
 Update suggested by Yasuhiro Matsumoto, 2014 Nov 25:
 https://gist.github.com/presuku/d3d6b230b9b6dcfc0477
@@ -1192,10 +1182,6 @@ I can't recommend it though.
 Build with Python on Mac does not always use the right library.
 (Kazunobu Kuriyama, 2015 Mar 28)
 
-Patch to add arguments to argc() and argv(). (Yegappan Lakshmanan, 2016 Jan
-24)  Also need a way to get the global arg list?  Update later on Jan 24
-Update Mar 5. Update Apr 7.  Update Jun 5.
-
 To support Thai (and other languages) word boundaries, include the ICU
 library:  http://userguide.icu-project.org/boundaryanalysis