fix #67573

src/vs/editor/contrib/gotoError/gotoErrorWidget.ts

@@ -93,6 +93,9 @@ class MessageWidget {
 			lastLineElement = document.createElement('div');
 			lastLineElement.innerText = line;
 			this._editor.applyFontInfo(lastLineElement);
+			if (line === '') {
+				lastLineElement.style.height = lastLineElement.style.lineHeight;
+			}
 			this._messageBlock.appendChild(lastLineElement);
 		}
 		if (source || code) {

src/vs/editor/contrib/hover/modesContentHover.ts

@@ -473,7 +473,7 @@ export class ModesContentHoverWidget extends ContentHoverWidget {
 
 		const messageElement = dom.append(hoverElement, $('span'));
 		messageElement.style.whiteSpace = 'pre-wrap';
-		messageElement.innerText = message.trim();
+		messageElement.innerText = message;
 		this._editor.applyFontInfo(messageElement);
 
 		if (source || code) {

src/vs/workbench/contrib/markers/electron-browser/markersTreeViewer.ts

@@ -90,15 +90,17 @@ const enum TemplateId {
 
 export class VirtualDelegate implements IListVirtualDelegate<TreeElement> {
 
+	static LINE_HEIGHT: number = 22;
+
 	constructor(private readonly markersViewState: MarkersViewModel) { }
 
 	getHeight(element: TreeElement): number {
 		if (element instanceof Marker) {
 			const viewModel = this.markersViewState.getViewModel(element);
 			const noOfLines = !viewModel || viewModel.multiline ? element.lines.length : 1;
-			return noOfLines * 22;
+			return noOfLines * VirtualDelegate.LINE_HEIGHT;
 		}
-		return 22;
+		return VirtualDelegate.LINE_HEIGHT;
 	}
 
 	getTemplateId(element: TreeElement): string {
@@ -321,6 +323,9 @@ class MarkerWidget extends Disposable {
 			lastLineElement = dom.append(messageContainer, dom.$('.marker-message-line'));
 			const highlightedLabel = new HighlightedLabel(lastLineElement, false);
 			highlightedLabel.set(lines[index], lineMatches[index]);
+			if (lines[index] === '') {
+				lastLineElement.style.height = `${VirtualDelegate.LINE_HEIGHT}px`;
+			}
 		}
 		this.renderDetails(marker, filterData, multiline ? lastLineElement : this.messageAndDetailsContainer);
 	}