use crosshair cursor to identify highlights to remove

extension/ui/content/content-ui-editor-web.js

@@ -842,9 +842,11 @@ table {
 		}
 		if (message.method == "enableRemoveHighlights") {
 			removeHighlightMode = true;
+			document.documentElement.classList.add("single-file-remove-highlights-mode");
 		}
 		if (message.method == "disableRemoveHighlights") {
 			removeHighlightMode = false;
+			document.documentElement.classList.remove("single-file-remove-highlights-mode");
 		}
 		if (message.method == "enableEditPage") {
 			document.body.contentEditable = true;
@@ -860,10 +862,10 @@ table {
 			document.body.contentEditable = false;
 		}
 		if (message.method == "enableCutPage") {
-			cuttingMode = true;
+			cuttingMode = true;			
 		}
 		if (message.method == "disableCutPage") {
-			cuttingMode = false;
+			cuttingMode = false;			
 			if (cuttingPath) {
 				unhighlightCutElement();
 				cuttingPath = null;

extension/ui/pages/editor-frame-web.css

@@ -56,6 +56,9 @@ single-file-note {
 .single-file-hover {
     outline: 4px dotted red !important;
     transition: outline-width 125ms;
+}
+
+.single-file-hover, .single-file-remove-highlights-mode .single-file-highlight:hover {
     cursor: crosshair !important;
 }