Problem:    Check commands don't work well with Vim9 script.
Solution:   Improve constant expression handling.

https://github.com/vim/vim/commit/7f829cab356d63b8e59559285593777a66bcc02b

Co-authored-by: Bram Moolenaar <Bram@vim.org>

Problem:    No command line completion for :profile and :profdel.
Solution:   Implement completion. (Yegappan Lakshmanan, closes vim/vim#9955)

https://github.com/vim/vim/commit/1fdf84e033f8c4eead3b4ccebb1969cfbc7d10db

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

Problem:    No command line completion for :breakadd and :breakdel.
Solution:   Add completion for :breakadd and :breakdel. (Yegappan Lakshmanan,
            closes vim/vim#9950)

https://github.com/vim/vim/commit/6e2e2cc95b913e33145047e0fade5193da6e4379

Problem:    "z=" in Visual mode may go beyond the end of the line.
Solution:   Adjust "badlen".

https://github.com/vim/vim/commit/5c68617d395f9d7b824f68475b24ce3e38d653a3

Co-authored-by: Bram Moolenaar <Bram@vim.org>

Problem:    Cannot use keypad page-up/down for completion menu.
Solution:   Recognize the keypad keys. (Yegappan Lakshmanan, closes vim/vim#9963)

https://github.com/vim/vim/commit/155b0882088ff115dcfb6ce466fe7c8cc2bef349

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

Problem:    Cannot use page-up and page-down in the command line completion
            popup menu.
Solution:   Check for to page-up and page-down keys. (Yegappan Lakshmanan,
            closes vim/vim#9960)

https://github.com/vim/vim/commit/5cffa8df7e3c28681b9e5deef6df395784359b6b

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

Problem:    Cmdline popup menu not removed when 'lazyredraw' is set.
Solution:   Temporarily reset 'lazyredraw' when removing the popup menu.
            (closes vim/vim#9857)

https://github.com/vim/vim/commit/5c52be40fbab14e050d7494d85be9039f07f7f8f

Co-authored-by: Bram Moolenaar <Bram@vim.org>

Problem:    Expand functions use confusing argument names.
Solution:   Rename "file" to "match".  Refactor some completion code.  Add a
            few more tests. (Yegappan Lakshmanan, closes vim/vim#9790)

https://github.com/vim/vim/commit/24384308635f40b15d399fbd4e60c25d5e21ed8d

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

Problem:    Some command completion functions are too long.
Solution:   Refactor code into separate functions.  Add a few more tests.
            (Yegappan Lakshmanan, closes vim/vim#9785)

https://github.com/vim/vim/commit/b31aec3b9387ed12677dca09069c3ae98c6c7447

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

Problem:    Restoring KeyTyped when building statusline not tested.
Solution:   Add a test.  Clean up and fix other tests. (closes vim/vim#11815)

https://github.com/vim/vim/commit/378e6c03f98efc88e8c2675e05a548f9bb7889a1