Add syntax highlighting to CSV and TSV files (#7738)

Author: Alhadis

.gitmodules

@@ -686,6 +686,9 @@
 [submodule "vendor/grammars/language-dircolors"]
 	path = vendor/grammars/language-dircolors
 	url = https://github.com/jolkdarr/language-dircolors
+[submodule "vendor/grammars/language-dsv"]
+	path = vendor/grammars/language-dsv
+	url = https://github.com/Alhadis/language-dsv.git
 [submodule "vendor/grammars/language-emacs-lisp"]
 	path = vendor/grammars/language-emacs-lisp
 	url = https://github.com/Alhadis/language-emacs-lisp

grammars.yml

@@ -562,6 +562,10 @@ vendor/grammars/language-debian:
 - source.debian.makefile
 vendor/grammars/language-dircolors:
 - source.dircolors
+vendor/grammars/language-dsv:
+- source.csv
+- source.dsv
+- source.tsv
 vendor/grammars/language-emacs-lisp:
 - source.emacs.lisp
 - source.yasnippet

lib/linguist/languages.yml

@@ -991,7 +991,7 @@ CSV:
   type: data
   color: "#237346"
   ace_mode: csv
-  tm_scope: none
+  tm_scope: source.csv
   extensions:
   - ".csv"
   language_id: 51
@@ -7663,7 +7663,7 @@ TSV:
   type: data
   color: "#237346"
   ace_mode: tsv
-  tm_scope: source.generic-db
+  tm_scope: source.tsv
   extensions:
   - ".tsv"
   - ".vcf"

vendor/README.md

@@ -93,6 +93,7 @@ This is a list of grammars that Linguist selects to provide syntax highlighting
 - **COLLADA:** [textmate/xml.tmbundle](https://github.com/textmate/xml.tmbundle)
 - **CSON:** [atom/language-coffee-script](https://github.com/atom/language-coffee-script)
 - **CSS:** [tree-sitter/tree-sitter-css](https://github.com/tree-sitter/tree-sitter-css) 🐌
+- **CSV:** [Alhadis/language-dsv](https://github.com/Alhadis/language-dsv)
 - **CUE:** [cue-sh/vscode-cue](https://github.com/cue-sh/vscode-cue)
 - **Cabal Config:** [atom-haskell/language-haskell](https://github.com/atom-haskell/language-haskell)
 - **Caddyfile:** [caddyserver/vscode-caddyfile](https://github.com/caddyserver/vscode-caddyfile)
@@ -614,7 +615,7 @@ This is a list of grammars that Linguist selects to provide syntax highlighting
 - **TLA:** [tlaplus-community/tree-sitter-tlaplus](https://github.com/tlaplus-community/tree-sitter-tlaplus) 🐌
 - **TOML:** [textmate/toml.tmbundle](https://github.com/textmate/toml.tmbundle)
 - **TSQL:** [beau-witter/language-tsql](https://github.com/beau-witter/language-tsql)
-- **TSV:** [Alhadis/language-etc](https://github.com/Alhadis/language-etc)
+- **TSV:** [Alhadis/language-dsv](https://github.com/Alhadis/language-dsv)
 - **TSX:** [Microsoft/TypeScript-TmLanguage](https://github.com/Microsoft/TypeScript-TmLanguage)
 - **TXL:** [MikeHoffert/Sublime-Text-TXL-syntax](https://github.com/MikeHoffert/Sublime-Text-TXL-syntax)
 - **Tact:** [tact-lang/tact-sublime](https://github.com/tact-lang/tact-sublime)

vendor/grammars/language-dsv

@@ -0,0 +1,23 @@
+---
+name: language-dsv
+version: 06d46d933831e2120cca9ffd756b7445dc67adc9
+type: git_submodule
+homepage: https://github.com/Alhadis/language-dsv.git
+license: isc
+licenses:
+- sources: LICENSE.md
+  text: |
+    Copyright (c) 2025-2026, John Gardner
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose with or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+notices: []