Update grammars (#194614)

extensions/restructuredtext/syntaxes/rst.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/trond-snekvik/vscode-rst/commit/4f6f1a8f94e0d16e30dddc9c4e359d062b715408",
+	"version": "https://github.com/trond-snekvik/vscode-rst/commit/7f2d6bb4e20642b60f2979afcb594cfe4b48117a",
 	"scopeName": "source.rst",
 	"patterns": [
 		{
@@ -253,7 +253,7 @@
 			"name": "entity.name.tag"
 		},
 		"options-list": {
-			"match": "^((?:-\\w|--[\\w-]+|/\\w+)(?:,? ?[\\w-]+)*)(?:  |\\t|$)",
+			"match": "(?:(?:^|,\\s+)(?:[-+]\\w|--?[a-zA-Z][\\w-]+|/\\w+)(?:[ =](?:\\w+|<[^<>]+?>))?)+(?=  |\\t|$)",
 			"name": "variable.parameter"
 		},
 		"blocks": {
@@ -341,7 +341,7 @@
 		},
 		"block": {
 			"begin": "^(\\s*)(\\.{2}\\s+\\S+::)(.*)",
-			"while": "^\\1(?=\\s)|^\\s*$",
+			"end": "^(?!\\1\\s|\\s*$)",
 			"beginCaptures": {
 				"2": {
 					"name": "keyword.control"