patch 9.1.0589: vi: d{motion} and cw work differently than expected Commit: https://github.com/vim/vim/commit/22105fd1fe0dcfe993b5c04c6ebe017a626116e3 Author: Christian Brabandt <cb@256bit.org> Date: Mon Jul 15 20:51:11 2024 +0200 patch 9.1.0589: vi: d{motion} and cw work differently than expected Problem: vi: d{motion} and cw command work differently than expected Solution: add new cpo-z flag to make the behaviour configurable There are two special vi compatible behaviours (or should I say bugs?): 1): cw behaves differently than dw. That is, because cw is special cased by Vim and is effectively aliased to ce. POSIX behaviour is documented here: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/vi.html#tag_20_152_13_81 2): d{motion} may make the whole delete operation linewise, if the start and end of the motion are on different lines and there are only blanks before the start and after the end of the motion. Did not find a related POSIX link that requires this behaviour. Both behaviours can be considered inconsistent, but we cannot easily change it, because it would be a backward incompatible change and also incompatible to how classic vi behaved. So let's add the new cpo flag "z", which when not included fixes both behaviours and make them more consistent to what users would expect. This has been requested several times: https://groups.google.com/d/msg/vim_use/aaBqT6ECkA4/ALf4odKzEDgJ https://groups.google.com/d/msg/vim_dev/Dpn3xtUF16I/T6JcOPKN6usJ http://www.reddit.com/r/vim/comments/26nut8/why_does_cw_work_like_ce/ https://groups.google.com/d/msg/vim_use/vunNWLFWfQg/MmJh_ZGaAgAJ https://github.com/vim/vim/issues/4390 So in summary, if you want to have the w motion work more consistent, remove the 'z' from the cpo settings. related: #4390 closes: #15263 Signed-off-by: Christian Brabandt <cb@256bit.org>

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