Tony wrote:
> gvim 8.2.2267 (Big) with GTK3 GUI; 'encoding' = utf-8; 'filencodings' > (plural) = ucs-bom,utf-8,latin1 > > Steps to reproduce: > 1. Load a Latin1 file containing only characters in the range > 0x00-0x7F. (In my case this was a corrupt version of the file.) > -- 'fileencoding' is set to utf-8, which at this point is acceptable, > since the de-facto encoding is us-ascii, which is byte-compatible with > both Latin1 and UTF-8. > 2. Replace the file-on-disk (by non-Vim methods) by a version > containing one or more (Latin1) characters in the range 0x80-0xFF. (In > my case this was the correct version of the file, after fetching it > over the Net.) > -- Vim gives a prompt, with options [O]K, [L]oad file > 3. Answer l (Load). > -- File is reloaded, but the 'fileencodings' heuristic is not > reapplied: 'fileencoding' (singular) is still utf-8, any Latin1 > characters above 0x7F (which are not valid UTF-8 byte sequences) are > changed to question marks. No error for invalid byte sequences (I > didn't notice any at the time, and none is recorded in the :mess > messages list). Hmm, I would expect some warning being given. > 4. Make some more changes inside Vim, adding more characters in the > range 0x7F-0xFF, then save. > -- File is saved as UTF-8; if read as Latin1 outside of Vim, weird > characters appear where changes were made at step 4. <-- bad > 5. :setl fenc=latin1 | w > -- If reloaded outside of Vim, the weird characters have now > disappeared; but the question marks, if not replaced by what they > should be, are still there. This is a very specific sequence of events, which should not happen very often. I'm sure that if we re-detect the encoding that it will be wrong in another situation. I think that if you would notice the wrong encoding and used ":edit" that it would do the detection. -- hundred-and-one symptoms of being an internet addict: 90. Instead of calling you to dinner, your spouse sends e-mail. /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\ /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ \\\ an exciting new programming language -- http://www.Zimbu.org /// \\\ help me help AIDS victims -- http://ICCF-Holland.org /// -- -- You received this message from the "vim_dev" 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_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_dev/202101021303.102D3g1I1825583%40masaka.moolenaar.net.
