Questions tagged [unicode]

Unicode is a standard for the encoding, representation and handling of text with the intention of supporting all the characters required for written text incorporating all writing systems, technical symbols and punctuation.

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1answer
257 views

Unicode and `url-unhex-string` and something like \345\205\266\344\273\226

I need to use Emacs built-in url.el url-unhex-string to decode uri (e.g. /%E5%85%B6%E4%BB%96/other) It works, but all non-ascii (I guess it should be Unicode) characters are all converted into ...
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1answer
121 views

Paste very specific Unicode in scratch buffer freezes emacs -Q

I experienced a freeze which can be reproduced very easily on GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.18, cairo version 1.16.0) of 2020-08-25 . emacs -Q Copy the Unicode U+...
2
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1answer
145 views

Emacs displays Hebrew text incorrectly

I have a number of org-mode/text documents that contain English and Hebrew text. They are scholarly papers. However, the Hebrew text in Emacs is not displayed correctly. I am using Dejavu Sans Mono as ...
2
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1answer
301 views

How can I have same font and font-size everywhere?

I'm tired of the weird (seemingly) unpredictable font behavior not just in org-mode but also anywhere I use some unicode symbols. My setup is spacemacs and I'm looking for function that I can run on ...
2
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2answers
223 views

Greek typing & spell-checking with hunspell: encoding issue?

hunspell-checking Greek text I create in Emacs is not working. Notes: I am aware of this post: Spell check with multiple dictionaries Eventually, I want to use ispell with hunspell in Emacs, which ...
2
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1answer
1k views

Spacemacs mode-line unicode characters: what do they mean?

I've found it hard to discover the source or meaning of the unicode characters in the mode-line. All questions I've found referencing them are about how to get them to display correctly --- e.g. this ...
2
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1answer
191 views

Get multibyte string byte

Given a multibyte string "x=π", how to get 4-th byte of the string, without creating string copy with something like string-as-unibyte? Pseudo code: (string-nth-byte 4 "x=π"). Expected result: 128. ...
2
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1answer
670 views

How do I enable agda-mode's unicode input mode across all modes in Spacemacs?

I'd like to be able to type unicode characters like Π using agda-mode's "\Pi". In Emacs, I used to configure this like: (load-file (let ((coding-system-for-read 'utf-8)) (shell-...
2
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0answers
449 views

No unicode glyphs

I am experiencing trouble displaying unicode glyphs overall in emacs. All unicode glyphs are displayed as boxes with the number for the unicode glyph inside. To best show what I mean, the M-x list-...
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0answers
76 views

Upper/lower regexp char classes and current-case-table

I seem to have a problem with [:upper:] [:lower:] and Unicode characters. This test fails: (ert-deftest haskell-upper () (set-buffer (get-buffer-create "*haskell-mode-buffer*")) (insert "Ż") (...
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3answers
89 views

How can you automatically translate fractions into their short unicode versions? e.g. ⅔

Ideally one can just type fractions as normally e.g. 2/3, and either the view simply displays it as ⅔, without changing the text itself OR the text itself is changed. I need this for org mode in case ...
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1answer
48 views

How to insert mathematical symbols in emacs

I'm writing an Asciidoctor file to take notes for statistics and would like to insert mathematical symbols like β. Is there any way to do this without copy and pasting?
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1answer
54 views

How to enter overlined characters?

Example: R̅E̅S̅ What I already tried, to no avail: Type R, followed by C-x 8 RET OVERLINE RET What works but is not nice: Copy the example above and edit it.
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1answer
96 views

use euro symbol (or any symbol) for emacs keybinding

I set up this duplicate line function: https://kundeveloper.com/blog/duplicate-line/ and bound it to the euro symbol like this: (global-set-key (kbd "M-€") 'duplicate-line) And it worked (for a ...
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1answer
173 views

detect unprintable glyph (aka “no font available”) programmatically

Sometimes a font or a font at a special fontsize does not support a unicode glyph. Then a placeholder (box with character number) is printed, see screenshot with selected line: How can I ...
1
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1answer
319 views

What is Emacs' default character encoding for saving files? If it is UTF-8, is a BOM (Byte Order Mark) inserted?

What is the default character encoding used by GNU Emacs 25.1.1 to save files? Is it UTF-8? Assuming that it is UTF-8, does Emacs insert a BOM at the beginning of the file?
1
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1answer
77 views

Adding unicode special characters

I wanted to add a latin capital O with circumflex [ô] to a file in emacs, but for some reason all my attempts lead to the character being replaced by a question mark ?. I tried : M-x insert-char ...
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1answer
77 views

How to use unicode character for truncation and wrap slots in the standard display table

I'm trying to set unicode characters for the truncation and wrap slots in the standard display table (see code below) that are used in terminal mode or GUI when there is no fringe. It is working for ...
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1answer
368 views

How to regex match words? (in multiple languages)

I have a simple regex search which matches [A-Za-z], however I would like it to match other characters which would be used in dictionary words for non-english languages. e.g. ü, Ø, ɵ 人参, while ...
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1answer
38 views

Problem with emacs and sagemath unicode

I am using Emacs (GNU Emacs 24.5.1, which is admittedly old, but the problem also exists on a newer (25 something) Emacs on a different machine) and sage-shell-mode to work with the computer algebra ...
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1answer
289 views

Unicode characters in org-mode tables

Here's an org-mode table with some unicode math characters in it: Note that the columns don't align. I can manually fix the issue by inserting literal tab characters after each character via ctrl-q ...
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1answer
62 views

Does `<meta charset=utf-8 />` obviate `-*- coding: utf-8 -*-` in an HTML file?

Is writing <meta charset=utf-8 /> in an HTML file (being edited by Emacs) sufficient, or do I also need to specify -*- coding: utf-8 -*- on the first line? In other words, do I have to write &...
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1answer
234 views

Display glyphs instead of codepoints

I have a JSON file where Unicode characters are encoded as UTF-8 codepoints, example: \u05de instead of the Hebrew character Mem (מ). How could I get emacs to display glyphs instead of the codepoint ...
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1answer
157 views

Org tangle source blocks to a file with byte-order-mark (BOM) from org mode

Because Firefox doesn't load local files with UTF8 characters like '📞, …, 🖥' in the HTML or the CSS correctly, since it does not receive a <meta charset="utf8" /> header, I need to tangle ...
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1answer
149 views

How to put a right arrow above a Latin letter?

I want to write: ⃗E, I tried to C-x 8 <RET> COMBINING RIGHT ARROW ABOVE <RET> E it is displaying in Emacs like: I want to use Unicode (without Tex). EDIT in reply to Drew's comment: What ...
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0answers
33 views

Problems with COMBINING OVERLINE unicode rendering in Emacs 27.1

[Emacs 27.1 from manjaro arch] Hi, can anyone help me with the following? I'd like to render "x bar" (x with a horizontal bar) above it in unicode. I can get in Emacs 27.1, using monaco (...
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0answers
37 views

Ignore meta key when inputting unicode on OSX

I'm a newbie running emacs 26.3 (9.0) on OSX in the graphical mode (i.e. not in the terminal) and am writing a document with Devanagari (sanskrit text). Some of the letters in the inbuilt devanagari ...
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0answers
43 views

unicode-fonts help needed

Any experts in the unicode-fonts package out there? What I am trying to do is set the font for CJK characters and not use the default. This seems very tough! Using the customize interface injected ...
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0answers
40 views

Unicode character display in emacs info under Chromebook secure shell

This may not be an Emacs configuration issue, but here are the symptoms: On a Chromebook, I'm using chrome's Secure Shell Extension v0.18 to ssh in to an Ubuntu 16.04 host, LANG set to en_US.UTF-8, ...
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1answer
287 views

Org-ellipsis displayed inorrectly for some headlines only

So in order to customize my org mode files, I have (setq org-ellipsis "⤵") in my config, which seems to be a very popular customization (the arrow being U+2935). This works correctly for the most ...
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2answers
1k views

Org mode bullets

I am using org-bullets package but the rendering of unicode bullets doesn't seem correct to me. I tried changing the to different fonts without any success. Also I can't find anything related to ...
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0answers
84 views

Wrong unicode glyphs in emacs?

I recently came across a python file "*.py" containing several prints consisting of unicode symbols. I noticed that several symbols are displayed with different glyphs in emacs than in another editor. ...
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0answers
54 views

desktop-save doesn't save file names with emoji properly

desktop-save-in-desktop-dir doesn't save file names that include glyphs from upper unicode range like emoji characters properly. By "upper", I mean "greater" like one with a code point 1F604 instead ...
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0answers
67 views

How to switch off Unicode bidi markers?

Do you know how whitespace mode turns on the visibility of certain normally non-visible characters, such as the space and the tab? Well, I'd like to be able to emulate this with Unicode bidirectional ...
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0answers
173 views

How to change font without breaking Unicode glyph mapping?

I am using Emacs 24.5 (stock Debian jessie) with a UHD display. I am over 50 and I need a large font. I have found a font that works well, but when I set the font using (set-face-attribute 'default ...
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0answers
569 views

Charset and fonts shown by `describe-char`

I have some questions about emacs internal actions related to charset and fonts shown by describe-char. Now I use utf-8 as character encording scheme (CES) on emacs, so charsets shown by describe-...
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0answers
30 views

Word boundaries in mixed-alphabet words [duplicate]

By default (e.g., in fundamental mode), emacs seems to treat the sequence of characters abcαβγ in a buffer as two separate words. In particular, a command like M-f done at the beginning will only move ...
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1answer
2k views

How to convert a MULE encoded file to UTF-8?

I am trying to modify a buffer written by desktop-save to a file. The file is named .emacs.desktop and I am trying to modify it from a Perl script. It turns out that it is saved in emacs-mule encoding....
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2answers
813 views

How to convert Unicode backslash octal representation to the character it represents?

If I paste a string from some web page into an Emacs buffer sometimes it will show the Unicode representation of some characters with a backslash and some octal code. How can I convert this to the ...
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0answers
176 views

Unicode character escape sequences instead of text upon mouse-2 paste from other windows

I am having a weird problem with emacs: When pasting non-ascii text, e.g. € from X-clipboard with the middle mouse button into x-enabled emacs I get Unicode character escape sequences, e.g. \u20ac ...
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1answer
104 views

Why unicode 🂩 (poker card) can't be properly displayed in GUI but fine in TUI?

I'm having a hard time getting unicode to properly displayed in GUI. I'm trying to type poker cards unicode inside emacs GUI, 🂩 for instance. I would like to use font "Ubuntu Mono", NOT ...
0
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1answer
44 views

Custom search for text under cursor

I would like to write a custom elisp function that searches for a few variants of unicode text under a cursor and highlights their occurrences in the currently open file. For e.g. if my text is ...
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1answer
30 views

How to properly align org table with mixed English-Bengali script?

I am unable to tidy up this table, so that last column is properly aligned, as the other two: |-----------+----------------+------------| | English | Bengali s. | Bengali w. | |-----------+------...
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1answer
48 views

Penguin character in file

I use Spacemacs. I tried to type a command, but I mistyped. Instead of what I intended, a character was inserted that renders as this: I suppose that is Tux. When I try to copy the character, I get ...
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1answer
35 views

Use LaTeX accents with tex insert method

With this answer I learned how to insert math symbols with latex syntax directly into my buffer. What I can't figure out is how to make accents insert properly. I want \hat{\beta} to insert beta hat ( ...
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1answer
54 views

How to display unicode chars in ielm

I'm using emacs on MAC OSX ELISP> (emacs-version) "GNU Emacs 27.0.50 (build 1, x86_64-apple-darwin18.7.0, NS appkit-1671.60 Version 10.14.6 (Build 18G95)) of 2019-09-06" ielm REPL echoes back ...
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1answer
67 views

Search and replace isn't working in my function

I created the following function to remove macrons from vowels (this is a reduced version that only searches for the vowel "ā"): (defun nv/eliminatemacron () "" (interactive) (save-excursion ...
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1answer
106 views

Function that returns the name of a Greek vowel

I'm trying to write a function that will return the name of a Greek vowel: alpha or epsilon etc. I was hoping this could be done by extracting it from the second group in the following regexp (in a ...
0
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1answer
64 views

Re-align text after a bigger symbol

I'd like to customize a bit mu4e in order to display nice utf-8 chars (or still better, colored emojis). However, the problem is that the utf8 chars does not have the good width (even in the mono ...
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2answers
224 views

Render non-ascii chars correctly in Info buffers?

I'm reading the Emacs manual in Info-mode. Some non-ascii characters render as octal escape sequences rather than glyphs. For example, node 23.2 Minor Modes contains the following text: Electric ...