simplify lint report html/css/js

edit/edit.css

@@ -843,6 +843,8 @@ body:not(.find-open) [data-match-highlight-count="1"] .CodeMirror-selection-high
   border-spacing: 0;
   line-height: 1.0;
   width: 100%;
+  font-size: 85%;
+  cursor: pointer;
 }
 #lint tr td:last-child {
   width: 100%;
@@ -850,6 +852,9 @@ body:not(.find-open) [data-match-highlight-count="1"] .CodeMirror-selection-high
 #lint td[role="line"] {
   padding-left: 0.25rem;
 }
+#lint .report {
+  display: flex;
+}
 #lint .empty {
   display: none;
 }
@@ -858,16 +863,12 @@ body:not(.find-open) [data-match-highlight-count="1"] .CodeMirror-selection-high
   line-height: 16px;
   font-weight: bold;
 }
-#lint .report {
-  font-size: 85%;
-  cursor: pointer;
-}
-.lint-report-container > :not(.empty) ~ :not(.empty) {
+#lint .report:not(.empty) ~ :not(.empty) {
   border-top: 1px dotted rgba(128, 128, 128, .5);
   margin-top: .25em;
   padding-top: .25em;
 }
-#lint .report tr:hover {
+#lint tr:hover {
   background-color: hsla(180, 50%, 36%, .2);
 }
 #lint td {

edit/linter-manager.js

@@ -328,16 +328,12 @@ linterMan.DEFAULTS = {
   }
 
   function createTable(cm) {
-    const caption = $create('td.caption');
-    const tbody = $create('tbody.report');
-    const table = $create('table',
-      $create('tr', [
-        caption,
-        $create('td', tbody),
-      ]));
+    const caption = $create('.caption');
+    const table = $create('table');
+    const report = $create('.report', [caption, table]);
     const trs = [];
     return {
-      element: table,
+      element: report,
       trs,
       updateAnnotations,
       updateCaption,
@@ -357,20 +353,20 @@ linterMan.DEFAULTS = {
         } else {
           tr = createTr();
           trs.push(tr);
-          tbody.append(tr.element);
+          table.appendChild(tr.element);
         }
         tr.update(anno);
         i++;
       }
       if (i === 0) {
         trs.length = 0;
-        tbody.textContent = '';
+        table.textContent = '';
       } else {
         while (trs.length > i) {
           trs.pop().element.remove();
         }
       }
-      table.classList.toggle('empty', trs.length === 0);
+      report.classList.toggle('empty', !trs.length);
 
       function *getAnnotations() {
         for (const line of lines.filter(Boolean)) {