Fixes #95685: Use Unicode replacement character for all unusual line terminators

src/vs/base/common/charCode.ts

@@ -342,7 +342,17 @@ export const enum CharCode {
 	 * Unicode Character 'LINE SEPARATOR' (U+2028)
 	 * http://www.fileformat.info/info/unicode/char/2028/index.htm
 	 */
-	LINE_SEPARATOR_2028 = 8232,
+	LINE_SEPARATOR = 0x2028,
+	/**
+	 * Unicode Character 'PARAGRAPH SEPARATOR' (U+2029)
+	 * http://www.fileformat.info/info/unicode/char/2029/index.htm
+	 */
+	PARAGRAPH_SEPARATOR = 0x2029,
+	/**
+	 * Unicode Character 'NEXT LINE' (U+0085)
+	 * http://www.fileformat.info/info/unicode/char/0085/index.htm
+	 */
+	NEXT_LINE = 0x0085,
 
 	// http://www.fileformat.info/info/unicode/category/Sk/list.htm
 	U_CIRCUMFLEX = 0x005E,									// U+005E	CIRCUMFLEX
@@ -422,4 +432,4 @@ export const enum CharCode {
 	 * http://www.fileformat.info/info/unicode/char/feff/index.htm
 	 */
 	UTF8_BOM = 65279
-}
\ No newline at end of file
+}

src/vs/editor/browser/view/domLineBreaksComputer.ts

@@ -217,7 +217,9 @@ function renderLine(lineContent: string, initialVisibleColumn: number, tabSize:
 				break;
 
 			case CharCode.UTF8_BOM:
-			case CharCode.LINE_SEPARATOR_2028:
+			case CharCode.LINE_SEPARATOR:
+			case CharCode.PARAGRAPH_SEPARATOR:
+			case CharCode.NEXT_LINE:
 				sb.write1(0xFFFD);
 				break;
 

src/vs/editor/common/modes/textToHtmlTokenizer.ts

@@ -68,7 +68,9 @@ export function tokenizeLineToHTML(text: string, viewLineTokens: IViewLineTokens
 					break;
 
 				case CharCode.UTF8_BOM:
-				case CharCode.LINE_SEPARATOR_2028:
+				case CharCode.LINE_SEPARATOR:
+				case CharCode.PARAGRAPH_SEPARATOR:
+				case CharCode.NEXT_LINE:
 					partContent += '\ufffd';
 					break;
 

src/vs/editor/common/viewLayout/viewLineRenderer.ts

@@ -934,7 +934,9 @@ function _renderLine(input: ResolvedRenderLineInput, sb: IStringBuilder): Render
 						break;
 
 					case CharCode.UTF8_BOM:
-					case CharCode.LINE_SEPARATOR_2028:
+					case CharCode.LINE_SEPARATOR:
+					case CharCode.PARAGRAPH_SEPARATOR:
+					case CharCode.NEXT_LINE:
 						sb.write1(0xFFFD);
 						break;
 

src/vs/editor/test/common/viewLayout/viewLineRenderer.test.ts

@@ -703,6 +703,36 @@ suite('viewLineRenderer.renderLine', () => {
 		assert.equal(actual.containsRTL, true);
 	});
 
+	test('issue #95685: Uses unicode replacement character for Paragraph Separator', () => {
+		const lineText = 'var ftext = [\u2029"Und", "dann", "eines"];';
+		const lineParts = createViewLineTokens([createPart(lineText.length, 1)]);
+		const expectedOutput = [
+			'<span class="mtk1">var\u00a0ftext\u00a0=\u00a0[\uFFFD"Und",\u00a0"dann",\u00a0"eines"];</span>'
+		];
+		const actual = renderViewLine(new RenderLineInput(
+			false,
+			true,
+			lineText,
+			false,
+			false,
+			false,
+			0,
+			lineParts,
+			[],
+			4,
+			0,
+			10,
+			10,
+			10,
+			-1,
+			'none',
+			false,
+			false,
+			null
+		));
+		assert.equal(actual.html, '<span>' + expectedOutput.join('') + '</span>');
+	});
+
 	test('issue #19673: Monokai Theme bad-highlighting in line wrap', () => {
 		let lineText = '    MongoCallback<string>): void {';