make d{motion} and "cw" work more consistent #706

Job	Run time
macos (tiny, macos-12)	1m 21s
windows (HUGE, msvc, no, no, x64, stable)	7m 6s
macos (tiny, macos-14)	43s
linux (tiny, clang, native)	2m 53s
macos (normal, macos-12)	6m 17s
windows (HUGE, mingw, yes, yes, x86, stable, yes)	11m 9s
linux (tiny, gcc, native)	6m 3s
macos (normal, macos-14)	4m 18s
windows (HUGE, msvc, no, yes, x86)	8m 7s
linux (normal, clang, native)	6m 12s
macos (huge, macos-12)	14m 17s
windows (HUGE, mingw, yes, no, x64, yes)	9m 35s
macos (huge, macos-14)	13m 19s
linux (normal, gcc, native)	7m 46s
windows (NORMAL, msvc, yes, no, x86)	6m 36s
linux (huge, clang, native)	1m 16s
windows (NORMAL, mingw, no, yes, x64)	8m 23s
linux (huge, gcc, native)	13m 6s
windows (TINY, msvc, yes, yes, x64)	2m 3s
linux (tiny, clang, nogui)	2m 45s
windows (TINY, mingw, no, no, x86)	2m 32s
linux (tiny, gcc, nogui)	2m 43s
linux (normal, gcc, i386, ./src/shadow)	6m 45s
linux (huge, gcc, uchar, testgui, true, dynamic)	11m 40s
linux (huge, clang, asan, 5.1)	1m 18s
linux (huge, gcc, unittests, true)	5m 35s
linux (normal, gcc, vimtags)	7m 35s
	2h 51m 23s

Provide feedback