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From: | R. Diez |
Subject: | bug#48324: 27.2; hexl-mode duplicates the UTF-8 BOM |
Date: | Mon, 10 May 2021 19:43:20 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 |
Ah, so maybe I didn't use the exact recipe. I did try hexl-mode as well as hexl-find-file, but maybe I missed something. Could someone please post an exact recipe, step by step?
I'll try again: - I created an empty file with Caja (the MATE Desktop file manager) named Test7.txt . That empty file is 0 bytes long. - I then dragged the file to Emacs in order to open it. The default encoding is utf-8-unix (visible on Emacs' status line). - I pressed my keyboard shortcut for (eval-expression). - I changed the encoding by manually evaluating this expression: (set-buffer-file-coding-system 'utf-8-with-signature-dos) - I then typed in the buffer for Text7.txt the characters "123". - I saved the buffer with menu "File", option "Save". - I ran in the minibuffer command hexl-mode, which gives me the hex view for that file: ef bb bf 31 32 33 0d 0a - I moved the cursor with the arrow keys to the byte with value "31". - I ran in the minibuffer command hexl-insert-hex-char, in order to overwrite the 31 with a new value. - I typed in the minibuffer the hex value "00" (a binary null) and pressed enter. - In the hex view, the BOM is now duplicated. Best regards, rdiez
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