Fix bug handling HTML embedded in a table.

lib/markdownlint.js

@@ -80,8 +80,21 @@ function lintContent(content, config, frontMatter) { // eslint-disable-line
   var tokens = md.parse(content, {});
   var lines = content.split(shared.newLineRe);
   var tokenLists = {};
+  var tbodyMap = null;
   // Annotate tokens with line/lineNumber
   tokens.forEach(function forToken(token) {
+    // Handle missing maps for table body
+    if (token.type === "tbody_open") {
+      tbodyMap = token.map.slice();
+    } else if ((token.type === "tr_close") && tbodyMap) {
+      tbodyMap[0]++;
+    } else if (token.type === "tbody_close") {
+      tbodyMap = null;
+    }
+    if (tbodyMap && !token.map) {
+      token.map = tbodyMap.slice();
+    }
+    // Update token metadata
     if (token.map) {
       token.line = lines[token.map[0]];
       token.lineNumber = token.map[0] + 1;

lib/rules.js

@@ -464,11 +464,8 @@ module.exports = [
         } else if (token.type === "inline") {
           token.content.split(shared.newLineRe)
             .forEach(function forLine(line, offset) {
-              if (token.map && /^(-+|=+)\s*$/.test(line)) {
-                var seTextLineNumber = token.map[0] + offset;
-                if (seTextLineNumber > 0) {
-                  errors.push(seTextLineNumber);
-                }
+              if (token.map && /^(-+|=+)\s*$/.test(line) && offset) {
+                errors.push(token.map[0] + offset);
               }
             });
         }

test/md033-cannot-read-property-of-undefined.md

@@ -0,0 +1,11 @@
+# Header
+
+Head    | Head
+--------|------------
+<br/>   | {MD033}
+
+{MD033} | <i>Head</i>
+--------|------------
+<br/>   | {MD033}
+text    | text
+{MD033} | <b>text</b>