Questions tagged [syntax-highlighting]

Syntax highlighting is the use of colours, size, typeface, or other attributes to visually indicate it has a special meaning and therefore make it easier to understand the text. For example, marking language keywords with a specific colour.

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Syntax highlighting for uppercase headings using === or — syntax

In Vim, without using any markdown plugin, headings like # Uppercase heading # lowercase heading lowercase heading ================= lowercase heading ----------------- get highlighted, while ...
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How dose colorscheme file working when python.vim file not exist?

I deleted python.vim in ~./Vim/vim82/syntax directory, and define colorscheme.vim in ~./Vim/vim82/colors directory. The colorscheme.vim contain this code call <sid>hi('pythonNumber', s:...
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1answer
23 views

manually set syntax highlighting works from command-line mode but not from .vimrc/init.vim

The gruvbox colorscheme and syntax highlighting for C++ doesn't highlight some elements such as: string vector I have this: So I decided to change the colors manually using in init.vim syn keyword ...
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1answer
49 views

Cannot get rid of persisting highlighting

I switched from macos to linux and have spontaneous highlighting in my document. I tried to get rid of it by doing the following command without success: hi clear no syntax nohlsearch noh The ...
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1answer
213 views

How can I change Javascript syntax to higlight objects?

I am trying to emulate the Atom JavaScript syntax highlighting in vim, but there are a few things missing. Namely, I'd like to highlight objects and their chains in red. It'd be dandy if I could ...
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1answer
16 views

How to highlight a keyword juxtaposed to an alphabetic region start marker?

I have a syntax whereby #J indicates embedded JSON. This can be followed by any JSON object such as #J[1,2,3]. The atom cases (Boolean, null, number, string) are handled as a json_atom region. This ...
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3answers
12k views

No syntax highlighting in tmux

I installed tmux in iTerm 2.(Build 3.0.13) When I execute vim in tmux, syntax highlighting looks like this. But outside tmux, syntax highlighting looks fine. My $TERM inside and outside tmux is ...
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1answer
138 views

Concealing the code for `braket` package for LaTeX with vimtex + `tex-conceal`

I am using vimtex with latexmk and using conceal setting provided by vim and extending it with an additional plug-in : KeitaNakamura/tex-conceal.vim. Additionally, I use a package braket to encode \...
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1answer
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How to put sync region start=<this> into a variable?

I have the following code: com! -nargs=* ShFoldFunctions <args> fold ShFoldFunctions syn region shFunctionOne start="^\s*[A-Za-z_0-9:,][-a-zA-Z_0-9:]*\s*()\_s*{" end="}&...
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1answer
71 views

LaTeX dollar signs confuse syntax highlighting

I am editing LaTeX code such as: \documentclass{article} \usepackage{booktabs,tabularx} \begin{document} Blah blah Blah blah \begin{table}\centering \begin{tabular}{>{$}l<{$}p{4in}} %...
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5answers
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Can Vim interpret terminal color escape codes?

Many CLI programs output nicely-highlighted text. While most of them check if the output is going to a file, some include the terminal escape codes. I like the output with the escape codes, but ...
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3answers
606 views

How to output highlighted source code into a file to use outside vim

At my workplace, I want to do a presentation of a custom language I've developed for solving some problems we had. For easier development, I created my own vim syntax file for this particular language....
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Enable syntax highlighting for files opened by quickfix commands like cc

After populating quickfix window using commands like :vimgrep, when I jump to a quickfix entry using cc <number>, if the file corresponding to that quickfix entry wasn't already opened in a ...
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1answer
21 views

Syntax Match PLSQL Label

A PLSQL Label uses this syntax <<LABEL_NAME>> How can I highlight everything inside and including the opening and closing angle braces? I've tried the following: syn match PLS_label "...
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2answers
57 views

Syntax region doesn't stop at the correct end marker

I'm trying to set up folding for #pragma region in C/C++, and it kinda works, but I need to edit out #pragma from the cPreProc syntax region, which is definitely not ideal. If I don't edit it out, the ...
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1answer
36 views

Why my markdown syntax is not working?

I'd like to edit text with markdown syntax. Searching for ways of using mixed syntax in the same file I've discovered this question with an answer saying that if I add the line let g:...
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7answers
11k views

How do I prevent vim from hiding symbols in markdown and json?

This drives me crazy, I do :set ft=text To see something, otherwise all the links disappear in markdown and quotes in JSON. How do disable this once and for all?
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1answer
168 views

folding in matlab

I'm using vim for my matlab editor. And It works nicely, except I cannot get folding to work. I found my syntax file on github: matlab.vim And I wanted to add folding. I changed the line syn ...
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0answers
42 views

Syntax highlighting not working in vim when containerized in docker

I am running an instance of Vim in a docker container, with configuration mostly taken from here (up untill " Build debug and release targets...) As you can see on the pic, clangd-completer works ...
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1answer
154 views

Fold: Different highlight style for fold of each filetype

Extend of this question of fold: Fold: foldtext() for each filetype We have fold for each filetype now but each fold need different highlight style of color, because highlight is global I tried to ...
5
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1answer
301 views

Interactive syntax-highligting: highlight the current region only

Often enough a text file is structured as a collection of blocks or cells of some kind. E.g., slides in a Tex Beamer presentation, bibtex items, function definitions, etc. I wonder if vim can ...
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2answers
31 views

Highlight region between curly brackets but only when it occurs after a keyword in the same line

So I have a language that looks something like this: proc someprocess : (arg1: type1), (arg2: type2) ... |- (channel: type) = { send $ch msg ; pay $ch {n} ; } I want the {n} to be highlighted ...
5
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1answer
76 views

Disable spell checking for URLs in BibTeX

I would like to disable spell checking for the URLs in my BibTeX (.bib) files. I was able to disable spell checking for the citation keys (author-year or author+year) as follows: autocmd FileType bib \...
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1answer
24 views

Vim shortcut for :tabprevious change opened file on start

I try to configure my .vimrc file adding new shortcuts for my daily routing. One of my basic operations in every single IDE is switching between "tabs". I suppose to put the same key binding ...
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0answers
36 views

How to get syntax group name of a floating window

I would like to change the font from bold to normal in my floating windows in Vim 8.* I have this script here that gets the syntax group name of the item under cursor. However, this will not work for ...
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1answer
99 views

Vim thinks Python @ operator is decorator

Python3 has the matrix multiplication operator (@) which is used to multiply numpy matrices. But when we write something like A = B @ C in vim, the @ C portion gets highlighted. Apparently Python has ...
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1answer
28 views

Highlighting item in fold for custom markup language

I am trying to write custom syntax highlighting for a domain specific markup language for a simulator I am working on. I can get everything but one part working. A simple example would look something ...
2
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1answer
366 views

ruby syntax highlighting lost on long files

With a "long" ruby file (896 lines in my case) the ruby syntax highlighting is lost when I G to the bottom of the file. Once that happens and I go back to the top with gg, the syntax highlighting ...
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1answer
41 views

I use the glsl syntax highlighting file, it works the first time I load a shader, after that, no highlight, why?

I've a project where I work on OpenGL Shaders. I downloaded the glsl syntax file and installed it on my computer (a personal folder) and then added the following auto-load line to my .vimrc: au ...
2
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1answer
35 views

How to disable JSON error highlighting on the current line?

Problem I find the error highlighting really distracting, its not that I don't want it because it is really useful for spotting errors in JSON syntax, but, I really dislike that it highlights new ...
4
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2answers
119 views

Syntax highlighting for StackExchange markdown

I often "pre-compose" and save my longer questions for StackExchange usign Vim / GVim. Does a syntax highlighting file for the StackExchange markdown already exist? If yes, where can I obtain it? ...
25
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0answers
763 views

How does `\zs` interact with syntax matches?

Consider the text: foobarbaz First we highlight the regular expression /foobar/: :syntax match Special /foobar/ Next we highlight the regular expression /foobarbaz/: :syntax match Error /foobarbaz/ ...
2
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0answers
490 views

How to fix this `Omni completion (^O^N^P) Pattern not found` error?

I am trying to set up syntax keyword based omnicompletion in vim. I have defined a few syntax keyword Constants in ~/.config/nvim/syntax/spl.vim They are correctly detected and highlighted. They are ...
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1answer
82 views

What is the term of feature used by on-the-fly checkers?

Here are two screenshots, with vim and neovim, both with configured language server protocol and showing same file: Neovim: Vim: I want to configure neovim to have same style as vim -- I do not like ...
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1answer
38 views

in-place replacement of code in HTML documents with TOhtml?

I'm working on some old HTML documentation, where are multiple code snippets (several lines long). I need to replace this old HTML-ized code with new one using modern styling. What I have now: ... ... ...
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1answer
19 views

How do I view a regex and containedin of a group?

I'm wanting to see how groups were created and what they are contained in. What I'm doing now is this and then I search for the group. :Verbose syntax What I would like to do is this. :verbose syntax ...
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0answers
71 views

Make vertical line colorcolumn thinner?

I set a vertical line with setlocal colorcolumn, is there a way to make it thinner? Or a workaround? I already have a function to color long lines but I prefer to have a thin vertical line. I changed ...
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0answers
34 views

How to know where a syntax was set?

I want to know what line and file syntax region foo start... was set. I have tried this: :verbose syntax foo :syntax foo? :verbose syntax foo?
3
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1answer
77 views

Syntax highlight groups of digits in large number

I often view logs in vim, and the log contains large numbers eg 3244522321. It's very difficult to tell if this is 324M, 32M, or 3.2M. Is there a way to set up something (syntax highlight?) that will ...
0
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1answer
36 views

Default syntax groups use colors >=16 [closed]

I have few quetion about color scheme and terminals... The web is plenty of posts about it but I still does not understand the following: After a fresh install of (g)vim on arch, I did a $ vim ...
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1answer
159 views

Vim syntax line matching mechanism

Can someone explain or link to valid explanation information on the syntax highlighting mechanism. In particular I am having having a hard time understanding how rules are applied. Imagine the ...
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0answers
54 views

Adding a nasm syntax file to vim runtime directory doesn't work

I am trying to learn a bit about x86 assembly and Vim didn't have a syntax highlighter installed for it. I downloaded this One from github and placed it in the ~/.vim/after/syntax/ directory but this ...
0
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1answer
38 views

Language specific custom syntax highlighting

So I have to follow a name convention for my C data types : Typedefs must start with a t_ prefix such a t_mytype. Structs must start with a with an s_ prefix and so on for other data types. So I added ...
0
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1answer
25 views

Apply new 'bold' highlight rule to all format, preserve color

Since I usually use a blank line to denote start of a new codeblock (function, class, etc.) I defined the following syntax rule. The intent is to make the first line of a code block standout. While ...
4
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1answer
850 views

Turn off markdown highlighting for underscores in inline code?

Markdown highlighting is great (when it works), but I've seen a problem on two different boxes with underscores in inline code and I'm wondering if there's an easy solution. When I put, for instance, ...
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1answer
41 views

How to use different rules for highlighting trailing whitespace inside a gitcommit diff

In my ~/.vimrc, I have: highlight TrailingWhitespace ctermbg=blue autocmd BufReadPost * syn match TrailingWhitespace /\s\+\%#\@<!$/ This highlights trailing spaces, except when I am still typing ...
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1answer
89 views

Is there a plugin for syntax highlight for assembly MIPS?

I haven't been able to find any syntax highlighting for MIPS assembly language. I have CoC installed, but I don't think it supports MIPS. Is there any other plugin that I could use for basic syntax ...

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