> On Nov 12, 2019, at 2:26 PM, Bram Moolenaar <b...@moolenaar.net> wrote: > > > I wrote: > >> Brennan Vincent wrote: >> >>> When joining a line that is followed by an empty line (or one with only >>> spaces), POSIX specifies that it should be deleted without the current >>> line being affected. See the section "Join" in >>> https://pubs.opengroup.org/onlinepubs/9699919799/ . >>> >>> However, vim appends a space to the current line in this case. For >>> example, if line 1 is "foo", and line 2 is blank, after executing :1j >>> line 1 will be "foo ", as can be seen by executing the following (`ex` >>> is provided by `vi` on my system) >>> >>> $ echo -e 'foo\n' > test.txt && echo -e '1j\nwq' | ex test.txt && wc -c >>> test.txt >>> 5 test.txt >>> >>> nvi/nex give the POSIX behavior: >>> >>> $ echo -e 'foo\n' > test.txt && echo -e '1j\nwq' | nex test.txt && wc -c >>> test.txt >>> 4 test.txt >>> >>> Is this a bug, or intentional? >> >> I can't think of a reason why it works this way. And the trailing space >> is useless. So we should call it a bug. >> >> What should happen if the second line is blank, not empty? > > The spec apparently says that blank lines are also not resulting in a > trailing space: > > 1. Discard leading <space> characters from the line to be joined. > 2. If the line to be joined is now empty, delete it, and skip steps 3 through > 5. > > -- > hundred-and-one symptoms of being an internet addict: > 78. You find yourself dialing IP numbers on the phone. > > /// Bram Moolenaar -- b...@moolenaar.net <mailto:b...@moolenaar.net> -- > http://www.Moolenaar.net <http://www.moolenaar.net/> \\\ > /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ > <http://www.vim.org/sponsor/> \\\ > \\\ an exciting new programming language -- http://www.Zimbu.org > <http://www.zimbu.org/> /// > \\\ help me help AIDS victims -- http://ICCF-Holland.org > <http://iccf-holland.org/> ///
Tony: Thanks for the tip. I have tried with `VIM_POSIX=1 vim -u NONE` and I get the same undocumented un-POSIX-like behavior. Bram: Thanks for confirming. If we are agreed that this is a bug, is there some Vim bug tracker I should enter it on? -- -- You received this message from the "vim_use" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_use" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_use+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_use/C5B4034B-5C32-46B6-AEF5-1FDBDBC64FBA%40umanwizard.com.
