Update grammars (#305181)

extensions/latex/syntaxes/LaTeX.tmLanguage.json

@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/jlelong/vscode-latex-basics/commit/1f62731d63abfd134e03f4744fcbccadac4e0153",
+	"version": "https://github.com/jlelong/vscode-latex-basics/commit/3eb98ef3aeceedbe3366d6a5192ad6d2948721e8",
 	"name": "LaTeX",
 	"scopeName": "text.tex.latex",
 	"patterns": [
@@ -3619,6 +3619,23 @@
 				}
 			]
 		},
+		"unbalanced-env": {
+			"patterns": [
+				{
+					"match": "(\\s*\\\\(?:begin|end)\\{(\\p{Alphabetic}+\\*?)\\})",
+					"captures": {
+						"1": {
+							"patterns": [
+								{
+									"include": "#macro-with-args-tokenizer"
+								}
+							]
+						}
+					},
+					"name": "meta.function.environment.general.latex"
+				}
+			]
+		},
 		"all-balanced-env": {
 			"patterns": [
 				{
@@ -3878,6 +3895,9 @@
 				{
 					"include": "#documentclass-usepackage-macro"
 				},
+				{
+					"include": "#unbalanced-env"
+				},
 				{
 					"include": "#input-macro"
 				},