patch 9.1.0224: cursor may move too many lines over "right" & "below"… #100

Job	Run time
macos (tiny, macos-latest)	58s
macos (tiny, macos-14)	55s
windows (HUGE, msvc, no, no, x64, stable)	10m 11s
linux (tiny, clang, native)	2m 41s
windows (HUGE, mingw, yes, yes, x86, stable, yes)	16m 15s
macos (normal, macos-latest)	7m 17s
windows (HUGE, msvc, no, yes, x86)	10m 36s
linux (tiny, gcc, native)	2m 16s
macos (normal, macos-14)	5m 25s
windows (HUGE, mingw, yes, no, x64, yes)	11m 12s
macos (huge, macos-latest)	14m 9s
linux (normal, clang, native)	6m 30s
windows (NORMAL, msvc, yes, no, x86)	6m 9s
macos (huge, macos-14)	12m 34s
linux (normal, gcc, native)	6m 17s
windows (NORMAL, mingw, no, yes, x64)	14m 1s
linux (huge, clang, native)	11m 0s
windows (TINY, msvc, yes, yes, x64)	2m 3s
linux (huge, gcc, native)	11m 37s
windows (TINY, mingw, no, no, x86)	6m 24s
linux (tiny, clang, nogui)	1m 59s
linux (tiny, gcc, nogui)	1m 58s
linux (normal, gcc, i386, ./src/shadow)	6m 31s
linux (huge, gcc, uchar, testgui, true, dynamic)	10m 24s
linux (huge, clang, asan, 5.1)	17m 39s
linux (huge, gcc, unittests, true)	2m 57s
linux (normal, gcc, vimtags)	2m 8s
	3h 22m 6s

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