Fixes #80825: Use   only on Windows

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

@@ -24,7 +24,7 @@ export function tokenizeToString(text: string, tokenizationSupport: IReducedToke
 	return _tokenizeToString(text, tokenizationSupport || fallback);
 }
 
-export function tokenizeLineToHTML(text: string, viewLineTokens: IViewLineTokens, colorMap: string[], startOffset: number, endOffset: number, tabSize: number): string {
+export function tokenizeLineToHTML(text: string, viewLineTokens: IViewLineTokens, colorMap: string[], startOffset: number, endOffset: number, tabSize: number, useNbsp: boolean): string {
 	let result = `<div>`;
 	let charIndex = startOffset;
 	let tabsCharDelta = 0;
@@ -46,7 +46,7 @@ export function tokenizeLineToHTML(text: string, viewLineTokens: IViewLineTokens
 					let insertSpacesCount = tabSize - (charIndex + tabsCharDelta) % tabSize;
 					tabsCharDelta += insertSpacesCount - 1;
 					while (insertSpacesCount > 0) {
-						partContent += '&nbsp;';
+						partContent += useNbsp ? '&nbsp;' : ' ';
 						insertSpacesCount--;
 					}
 					break;
@@ -78,7 +78,7 @@ export function tokenizeLineToHTML(text: string, viewLineTokens: IViewLineTokens
 					break;
 
 				case CharCode.Space:
-					partContent += '&nbsp;';
+					partContent += useNbsp ? '&nbsp;' : ' ';
 					break;
 
 				default:

src/vs/editor/common/viewModel/viewModelImpl.ts

@@ -24,6 +24,7 @@ import { ICoordinatesConverter, IOverviewRulerDecorations, IViewModel, MinimapLi
 import { ViewModelDecorations } from 'vs/editor/common/viewModel/viewModelDecorations';
 import { ITheme } from 'vs/platform/theme/common/themeService';
 import { RunOnceScheduler } from 'vs/base/common/async';
+import * as platform from 'vs/base/common/platform';
 
 const USE_IDENTITY_LINES_COLLECTION = true;
 
@@ -713,7 +714,7 @@ export class ViewModel extends viewEvents.ViewEventEmitter implements IViewModel
 			if (lineContent === '') {
 				result += '<br>';
 			} else {
-				result += tokenizeLineToHTML(lineContent, lineTokens.inflate(), colorMap, startOffset, endOffset, tabSize);
+				result += tokenizeLineToHTML(lineContent, lineTokens.inflate(), colorMap, startOffset, endOffset, tabSize, platform.isWindows);
 			}
 		}
 

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

@@ -105,7 +105,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		const colorMap = [null!, '#000000', '#ffffff', '#ff0000', '#00ff00', '#0000ff'];
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 17, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 17, 4, true),
 			[
 				'<div>',
 				'<span style="color: #ff0000;font-style: italic;font-weight: bold;">Ciao</span>',
@@ -118,7 +118,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 12, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 12, 4, true),
 			[
 				'<div>',
 				'<span style="color: #ff0000;font-style: italic;font-weight: bold;">Ciao</span>',
@@ -131,7 +131,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 11, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 11, 4, true),
 			[
 				'<div>',
 				'<span style="color: #ff0000;font-style: italic;font-weight: bold;">Ciao</span>',
@@ -143,7 +143,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 1, 11, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 1, 11, 4, true),
 			[
 				'<div>',
 				'<span style="color: #ff0000;font-style: italic;font-weight: bold;">iao</span>',
@@ -155,7 +155,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 4, 11, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 4, 11, 4, true),
 			[
 				'<div>',
 				'<span style="color: #000000;">&nbsp;</span>',
@@ -166,7 +166,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 5, 11, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 5, 11, 4, true),
 			[
 				'<div>',
 				'<span style="color: #00ff00;">hello</span>',
@@ -176,7 +176,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 5, 10, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 5, 10, 4, true),
 			[
 				'<div>',
 				'<span style="color: #00ff00;">hello</span>',
@@ -185,7 +185,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 6, 9, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 6, 9, 4, true),
 			[
 				'<div>',
 				'<span style="color: #00ff00;">ell</span>',
@@ -238,7 +238,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		const colorMap = [null!, '#000000', '#ffffff', '#ff0000', '#00ff00', '#0000ff'];
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 21, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 21, 4, true),
 			[
 				'<div>',
 				'<span style="color: #000000;">&nbsp;&nbsp;</span>',
@@ -252,7 +252,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 17, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 17, 4, true),
 			[
 				'<div>',
 				'<span style="color: #000000;">&nbsp;&nbsp;</span>',
@@ -266,7 +266,7 @@ suite('Editor Modes - textToHtmlTokenizer', () => {
 		);
 
 		assert.equal(
-			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 3, 4),
+			tokenizeLineToHTML(text, lineTokens, colorMap, 0, 3, 4, true),
 			[
 				'<div>',
 				'<span style="color: #000000;">&nbsp;&nbsp;</span>',