collector. (Ozaki Kiichi, closes #4554, closes #4547)
Files:	    src/testdir/test_vimscript.vim, src/userfunc.c

Patch 8.1.1564
Problem:    Sign column takes up space.  (Adam Stankiewicz)
Solution:   Optionally put signs in the number column. (Yegappan Lakshmanan,
            closes #4555, closes #4515)
Files:	    runtime/doc/options.txt, src/option.c, src/screen.c,

Files:      src/quickfix.c, src/testdir/test_quickfix.vim

Patch 8.2.1776
Problem:    Filetype.vim may be loaded twice.
Solution:   Do "syntax on" after "filetype on". (Adam Stankiewicz,
            closes #7049)
Files:      runtime/defaults.vim

Patch 8.2.1777
Problem:    Vim9: some assignment tests in the wrong file.
Solution:   Move assignment tests to test_vim9_assign.