microsoft/vscode-textmate

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A library that helps tokenize text using Text Mate grammars.

Stars: 678
Forks: 135
Open beginner issues: 0
Indexed issues: 57
Avg merge: 1d 14h
Merged PRs (30d): 2

Dominant language: TypeScript
License: MIT
Last GitHub push: Aug 25, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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57 open issues indexed

Lexical pre-sorting decides selector precedence when specificity comparison ties Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

microsoft/vscode-textmate#293 · Opened Jul 25, 2026
Child combinators are counted as selector specificity Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

microsoft/vscode-textmate#292 · Opened Jul 25, 2026
Parent selector specificity uses character count instead of scope depth Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

microsoft/vscode-textmate#291 · Opened Jul 25, 2026
degradation (latest version) does not support WTF-8+BOM anymore Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/vscode-textmate#264 · 2 comments · Opened Dec 11, 2025
broken bash syntax highlighting Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#255 · 1 comment · Opened Jul 16, 2025
Documentation for browser use? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-textmate#244 · 3 comments · Opened Oct 20, 2024
Support arbitrary embedded languages on an inner pass without breaking container syntax Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-textmate#243 · 3 reactions · Opened Oct 8, 2024
`include` grammars don't load within `captures` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-textmate#242 · Opened Oct 5, 2024
Behaviour of begin/end and while patterns do not match TextMate Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-textmate#241 · 3 comments · Opened Oct 3, 2024
`begin` matching ending `\n` creates rogue `\\G` on every newline Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-textmate#237 · 1 comment · Opened Aug 8, 2024
`\\G` matches unicode character 0xFFFF `` Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

microsoft/vscode-textmate#232 · 1 comment · Opened May 28, 2024
JSON key `"id"` breaks the tokenizer Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/vscode-textmate#229 · Opened Mar 5, 2024
`ruleStack.clone()` doesn't actually clone Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

microsoft/vscode-textmate#228 · 1 comment · 2 reactions · Opened Feb 29, 2024
Expose scope comment in `IToken` Open

microsoft/vscode-textmate#227 · 5 reactions · 2 assignees · Opened Feb 26, 2024
Support for YAML-TMLanguage Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#224 · 2 comments · 7 reactions · Opened Jan 19, 2024
Incorrect 'no more matches'? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#220 · 3 comments · Opened Nov 26, 2023
Clarification about concurrent tokenization using multiple themes Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-textmate#218 · Opened Nov 8, 2023
How to make the embedded language have corresponding language id Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/vscode-textmate#216 · 1 comment · 1 reaction · Opened Oct 27, 2023
JSON grammar without `filePath` parsed incorrectly as PList Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/vscode-textmate#214 · 1 reaction · Opened Oct 15, 2023
Matching multiline text Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/vscode-textmate#211 · 3 comments · Opened Sep 18, 2023
Misclassification of PHP syntax tokens Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

microsoft/vscode-textmate#210 · 4 comments · Opened Jul 13, 2023
Scopes on Recursive Regex Cause Problems Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-textmate#208 · 9 comments · 2 reactions · Opened Jun 3, 2023
Consider using end pattern as bail out for embedded languages Open

microsoft/vscode-textmate#207 · 15 comments · 5 reactions · 1 assignee · Opened May 2, 2023
Textmate engine bug for `\k<>` backreferences Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#193 · 2 comments · Opened Dec 12, 2022
lacks of some type export on latest version Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

microsoft/vscode-textmate#185 · 1 reaction · Opened Oct 14, 2022
Unable to exclude elements with "textmate" scope selectors in custom themes Open

*out-of-scope feature-request

microsoft/vscode-textmate#192 · 1 comment · 4 reactions · 1 assignee · Opened Jul 1, 2022
Add Option to Format in often used match expression parts Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-textmate#178 · 1 comment · Opened Jun 6, 2022
Scoping Issues For Relative Rule References Open

bug

microsoft/vscode-textmate#174 · 1 comment · 1 assignee · Opened May 2, 2022
Absolute rule reference use local scope Open

bug

microsoft/vscode-textmate#173 · 2 comments · 1 assignee · Opened May 2, 2022
yaml highlighting/textmate recognises some integers as strings (or vice versa?) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-textmate#168 · 1 comment · Opened Feb 17, 2022
Capturing and applying a pattern causes performance loss Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/vscode-textmate#167 · 4 reactions · Opened Jan 25, 2022
Escaping a `]` inside a posix class `[[:\]:]` does funky stuff Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/vscode-textmate#165 · 4 comments · 1 reaction · Opened Jan 8, 2022
Subroutines breaking capture tokenizing inside of referenced capture group Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/vscode-textmate#164 · 3 comments · 1 reaction · Opened Jan 2, 2022
Scope inspector bug when extending C++ syntax highlighting through Textmate grammar Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-textmate#163 · 4 comments · Opened Jan 2, 2022
Textmate scope selectors: wildcard `*` support Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-textmate#160 · 9 reactions · Opened Dec 16, 2021
Allow CSS variables in parseTheme() Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

microsoft/vscode-textmate#154 · 1 comment · 5 reactions · Opened Aug 27, 2021
Add convenience functions to API Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-textmate#151 · 1 comment · 2 reactions · Opened Jul 4, 2021
Grammars fail to apply external includes from captures property Open

bug help wanted

microsoft/vscode-textmate#141 · 6 comments · 1 assignee · Opened Oct 22, 2020
Repository works only when it defined at top level of grammar file Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#140 · 8 comments · Opened Oct 6, 2020
Option to match end before any patterns Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/vscode-textmate#139 · 12 comments · 5 reactions · Opened Sep 2, 2020
multiply applied capture groups seems to ignore some captures Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

microsoft/vscode-textmate#127 · 3 comments · Opened Mar 11, 2020
Maximum call stack size exceeded Open

bug

microsoft/vscode-textmate#124 · 2 comments · 1 assignee · Opened Feb 13, 2020
Behavior of $base and $self in injection grammars Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#117 · 8 comments · Opened Oct 24, 2019
TextMate lacks means to match a pattern exactly one time Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-textmate#114 · 5 comments · 5 reactions · Opened Sep 24, 2019
scoping lookaheads prevents scoping same region when consumed Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-textmate#108 · 4 comments · Opened Aug 16, 2019
Load referenced grammars lazily Open

feature-request

microsoft/vscode-textmate#106 · 3 comments · 1 assignee · Opened Aug 15, 2019
100% Freeze on any catastrophic backtracking Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-textmate#104 · 4 comments · Opened Aug 13, 2019
syntaxes/c++.json did not work with loadGrammar method Open

question

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-textmate#103 · 2 comments · 1 reaction · Opened Aug 7, 2019
injections to not cover forward scoped regions Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#83 · 1 reaction · Opened Jan 26, 2019
potentially unwarned failure behavior when INCLUDE cannot be resolved Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-textmate#75 · 1 comment · Opened Sep 24, 2018

microsoft/vscode-textmate

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