Questions tagged [font-lock]
Font Lock mode is a minor mode, always local to a particular buffer, which assigns faces to the text in the buffer.
318
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Help with `font-lock-add-keywords` regex for org keywords
I am trying to add my own org 'document keywords' with my own faces. I am referring to the keywords sitting at the top of the file like #+title: My Tile for example which get their own faces.
Thanks ...
- 79
1
vote
1
answer
30
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Using font-latex-user-keyword-classes
I'd like to add a few faces that should be used to color macros and commands in LaTeX-mode. Following the documentation, I found the variable font-latex-user-keyword-classes, which is supposed to do ...
0
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12
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Disable web link highlighting on comment
I noticed that every time I write a golang comment containing a web link, it highlights the link even though it shouldn't be highlighted. The comment font face should have a higher priority, is this a ...
- 163
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0
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67
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Color bleeding and polymode
I sometimes experience "color bleeding" in auctex, and wasn't able to find the source of the problem for a long time. In particular because I wasn't able to reproduce the issue. I also can't ...
- 1,159
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1
answer
37
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How can I disable font-lock-mode but have the whitespace mode highlighting
Is there any way to disable syntax highlighting of the buffer (which I do by disabling the font-lock-mode) and having the trailing whitespaces highlighted in red? or at least show a unicode dot?
(When ...
- 193
2
votes
1
answer
37
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Highlight prettified code
is there a way of highlighting a prettified phrase? Something like:
(push '("\\qquad " . "⧢") prettify-symbols-alist)
(highlight-phrase "⧢" 'shadow)
(highlight-...
- 121
0
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1
answer
34
views
How to insert fontified git diff output into Emacs buffer?
I wrote this code:
(defun compare-string-test (String1 String2)
(interactive)
(let ((Temp1 (make-temp-file "gitdiff" nil nil String1))
(Temp2 (make-temp-file "gitdiff" ...
- 1,680
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1
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53
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Is there an efficient way to fontify matches of thousands of different strings in a buffer?
I have a list of thousands of different strings made up of different numbers of words (e.g. names of specific people) that I would like to fontify in a buffer. Some applications I could use for ...
- 12k
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1
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53
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Loss of latex-mode Fontification When Loading Libraries in latex-mode-hook That Require json-mode
My actual scenario involves using latex-mode-hook to load some libraries that require json-mode.
I replicated my issue in a MWE:
I have a LaTeX file:
\documentclass{article}
\usepackage{mwe}
\begin{...
- 1,680
0
votes
1
answer
48
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"unspecified-fg/bg" in "batch mode" when querying foreground/background colors
While writing tests for color-identifiers-mode I stumbled upon inability to make Emacs load background and foreground colors from a theme in "batch-mode".
Example:
emacs -batch --eval "(...
- 858
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0
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137
views
How to keep existing text-property decoration while using font-lock?
I tried to use text-property to decorate specific texts as well as automatically color tab characters in a text-mode buffer, but didn't find a way to realize them at the same time.
This is my try:
...
- 11
1
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2
answers
64
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How to have Emacs display different text from that stored in buffer?
How can I get a buffer to display text that is
different from the text stored on disk,
updates as the buffer is modified, and
replaces one string with another string every time it occurs?
I'd like a ...
- 21
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0
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20
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Is there a way to italicize cpp's methods and fields?
When I use vscode, I find that CPP's in-class fields are italicized and local variables are normalized, which allows me to easily distinguish between them
For example, I can clearly tell that thread ...
- 3
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1
answer
459
views
How to use tree-sitter parser for syntax highlighting?
I'm trying to setup Emacs for editing Roc (https://www.roc-lang.org/) source code. I have an LSP server for Roc and tree-sitter parser for Roc installed.
Unfortunately I failed to find tree-sitter ...
0
votes
1
answer
124
views
How to set font for specified character?
I don't prefer JuliaMono font, but it provides a view of one character that I want to see in my code. It is "|" that looks like a solid vertical line in some OCaml common code situation.
I ...
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0
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89
views
Use different font for math fragments in org mode
How do I use the fixed-pitch font for math fragments in org-mode buffers? I.e., I want to use a monospace font for all strings of the form \(...\) or \[...\], where ... may include newline characters ...
4
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1
answer
77
views
Meaning of nils in font-lock-defaults
I want to understand the fields in font-lock-defaults. The documentation reads
Defaults for Font Lock mode specified by the major mode.
Defaults should be of the form:
(KEYWORDS [KEYWORDS-ONLY [CASE-...
- 576
0
votes
1
answer
49
views
Use rx to highlight a specific group in a match [duplicate]
I am trying to write a major mode for a language, and I am working on the syntax highlighter. I am using rx with some success, however I need to highlight the following pattern:
`somemacro(args...)`
...
- 135
0
votes
1
answer
26
views
how to use different faces for regular expressions in the same line in font-lock-defaults
I'm trying to create a major-mode for HTTP requests in emacs, I'm stuck at the syntax coloring for regexs at the same line.
let this be the HTTP request I'm trying to highlight:
GET /...
- 1
4
votes
2
answers
762
views
How to highlight documentation comments with tree-sitter?
In c-mode it's possible to show doxygen comments /** ... */ using font-lock-doc-face. See: docs for c-doc-comment-style.
How can this be done in c-ts-mode ?
I can find documentation pointing to ...
- 9,027
0
votes
1
answer
75
views
How can I fontify a new keyword with special character in Emacs, e.g. like `-let` or `-if` or `*if`?
I already tried but was not successful. Here is the regex:
(font-lock-add-keywords 'lisp-mode
'(("\\<\\(FIXME\\):" 1 font-lock-warning-face prepend)
...
- 6,872
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1
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28
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Whitespace in syntax table for comment delimiters in conflict with indentation and font lock
The special file format of my software uses angle brackets as a delimiter and # / # as comment markers (note the whitespace after the first # and before the last #). I try to make a major mode to ...
- 101
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1
answer
52
views
Remapping a face in font lock mode
Given this headline:
** Title
Title Title Title
The headline has the face "org-level-2" applied. This face has been applied by means of a regexp, using font-lock.
Let's assume that "...
- 151
2
votes
1
answer
70
views
Text Property of `initial-scratch-message' Not Taking Effect
;;; ~/.emacs.d/init.el
(custom-set-variables
'(inhibit-startup-screen t)
'(initial-scratch-message #("++"
0 2 (face underline))))
I expect to see an ...
- 5,795
1
vote
2
answers
505
views
How do I change Org's HTML code background?
Modifying Minted
background
is easy if my output from Org is LaTeX.
\definecolor{LightGray}{gray}{0.9}
\begin{minted}
[
frame=lines,
framesep=2mm,
baselinestretch=1.2,
bgcolor=LightGray,
fontsize=\...
- 389
0
votes
2
answers
70
views
How do I export code font-lock from Org to HTML?
With the following .emacs
(on bleeding-edge GNU Emacs 30.0.50 and Org mode 9.6.1 in 2023)
;; Org -> LaTeX
(require 'ox-latex)
(add-to-list 'org-latex-packages-alist '("" "minted"...
- 389
0
votes
1
answer
54
views
No syntax-highlight in c-mode *immediately* after enabling
I'm writing tests for color-identifiers-mode I co-maintain, and I stumbled upon a problem that after creating a buffer and enabling c-mode in it, there is no highlight over keywords.
For example, if ...
- 858
2
votes
1
answer
56
views
Why dividing long line (with lambda/interactive) in the (general.el) breaks off the Syntax coloring?
This is part of my general el config.
As shown in the image, when I divide long line (that has lamda, interative) into multiple lines :which-key ...... changes color.`
Why is this happening?
Am I ...
- 748
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votes
1
answer
125
views
Does Emacs support syntax highlighting for self-defined text categories?
In other words, are the text-part-categories which can be highlighted limited in amount and hard-wired into Emacs (keywords, functions, strings, digits, numbers, etc.) or is it possible to define any ...
- 475
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59
views
Font Face rendering of boxes around text produces ugly result if text is not placed in separated lines
Following behavior observed while running Linux Mint 21 Cinnamon with Emacs 28.2.1 installed from source and with via emacs GUI made following changes to ~/.emacs:
'(default ((t (:family "DejaVu ...
- 475
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0
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69
views
How to stop screen from changing how emacs handles colors
In .screenrc, I have this line: term xterm-256color If I do not use that, or if I try something different (like xterm-color or screen-256color), then emacs has absolutely no color.
Here is a font-lock ...
- 177
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1
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137
views
How to visually indent continuation lines of Org property values to align with the column specified in org-property-format?
Long property values in Org mode property drawers are by default not visually indented in visual-line-mode so as to align with the start column of the property values (as defined in org-property-...
- 1,110
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1
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79
views
How can I add custom keywords into Builtin Exceptions in python-mode to color them?
In python-mode, Exception keyword has font-lock-type-face for coloring.
Example output of the coloring:
If possible, I want to add custom keywords into Builtin Exceptions such as QuietExit, Terminate ...
- 1,420
2
votes
1
answer
80
views
Lisp Mode Documentation Syntax color change?
I use emacs for common lisp development. I noticed that the documentation string for functions is white and makes it hard for me to read.
Is there a way for me to change the color of this string?
...
- 303
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votes
0
answers
23
views
Consistent color for bindings in scheme-mode
Take a look at the following example:
(define a
(lambda (x)
(define b 1)
(let ((y 2))
#f)))
Emacs 28.2 renders the above code in this way:
This is inconsistent. define introduces ...
- 1,388
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votes
1
answer
29
views
Highlight code between specified tags
how can I write extension for existing major mode, e.g. dart-mode to highlight block of codes. For example:
// $done>
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:ui';
...
- 13
1
vote
1
answer
733
views
Change org mode's heading font size (like logseq) in respect of properties
I want my org file can be used in Emacs and logseq interchangeably (in pc Emacs, in mobile logseq)
What I want is like logseq to have other properties for the heading text, like
:PROPERTIES:
:heading: ...
- 13
2
votes
2
answers
289
views
Disable Fontification in Org-Mode while Keeping Color Highlighting
I would like to ask a question about org-mode and font-lock-mode.
I just started using Emacs and, since I am not a programmer, I use it
mostly for writing and handling texts. And, I am quite ...
- 43
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votes
1
answer
61
views
new org-mode buffer with font-lock off
I am making a new buffer, then disabling font-lock. I use headings, I have noticed that they do not get coloured. Is this how things work ?
Do buffers in modes with font-lock enabled always require ...
- 1
0
votes
0
answers
97
views
font-lock-mode and printing in colour
After making a new buffer, font-lock-mode could either be enabled on disabled. For instance, if I use (text-mode) or (org-mode) will automatically enable font-lock-mode. However, for (fundamental-...
- 1
2
votes
1
answer
104
views
Inserting coloured text in a buffer
I want to insert with colour properties. But when I try inserting in a new buffer, the colours get removed.
(defun ticker-second (lampkl)
"TODO."
(interactive)
(cond
((eq 'green ...
- 1
0
votes
0
answers
37
views
Keeping specific comments with bold weight
I am using a bold typeface, but for comments I am using normal weight. But I would like that some specific comments to remain displayed with bold weight. The specific comments are those that start ...
- 1
1
vote
1
answer
85
views
show binary value in different colors
Is there a simple way to show in emacs within an self-made-mode which use emacs font-lock-mode a binary value like "0b10010010" in different colors like the zero in lite gray and the one in ...
- 113
0
votes
1
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84
views
How can I change color of dollar sign different than font-latex-math-face in auctex?
In AUCTex, my font-latex-math-face has green color that also colors $ $ or \( \) into green as well. Here I just want to have different color for dollar sign than font-latex-math-face's
Is it ...
- 1,420
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vote
3
answers
181
views
How can I avoid switching into font-latex-math-face in tikzpicture environment?
When I have text inside \begin{equation} ... \end{equation}, font-latex-math-face face is applied.
If I have atikzpicture block inside equation, font-latex-math-face face is applied to it as well:
\...
- 1,420
1
vote
1
answer
366
views
Control font and color in spans of org-mode text?
I want to change the font and color of chunks of text in org mode, the way I can in OmniOutliner. Is it possible? Using the markdown or some other method.
Screenshot of my emacs, in org-mode:
In the ...
- 691
1
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1
answer
154
views
Highlight org headline text only if org-level is less than 3 and has-children
This is a follow up to this question, which already has an accepted answer here.
I have
(setq org-level-color-stars-only t)
to highlight only the stars in org-mode headings.
Following this answer I ...
- 318
0
votes
1
answer
117
views
Highlight org-level-color-stars-only from org-level-2 onwards
Following this answer I have
(setq org-level-color-stars-only t)
to highlight only the stars in org-mode headings.
However I want to further customize the heading coloring. In particular, I want to:
...
- 318
1
vote
1
answer
94
views
How to describe all faces at point?
When I do M-x describe-face, the default face is, according to the doc,
"the faces of the character after point"
However, looking at the *Fancy Diary Entries* buffer, I see many
different ...
- 6,174
0
votes
0
answers
38
views
How can I load font-lock-add-keywords on restart?
I use desktop session. Every time I restart my TODOS won't
appear unless I kill the buffer and open it again.
;; SESSION
(setq desktop-save-mode t
desktop-save t
desktop-save-buffer t
...
- 169