Relax MD041/first-line-h1 to allow blank links above the top level header (fixes #116).

lib/md041.js

@@ -14,17 +14,14 @@ module.exports = {
     const tag = "h" + level;
     const frontMatterTitleRe =
       new RegExp(frontMatterTitle || "^\\s*title\\s*[:=]", "i");
-    params.tokens.every(function forToken(token, index) {
-      if (token.type === "heading_open") {
-        if (!((token.lineNumber === 1) || (index > 0)) ||
-            (token.tag !== tag)) {
+    params.tokens.every(function forToken(token) {
+      if (token.type === "html_block") {
+        return true;
+      } else if (token.type === "heading_open") {
+        if (token.tag !== tag) {
           shared.addErrorContext(onError, token.lineNumber, token.line);
         }
-        return false;
-      } else if (token.type === "html_block") {
-        return true;
-      }
-      if (((frontMatterTitle !== undefined) && !frontMatterTitle) ||
+      } else if (((frontMatterTitle !== undefined) && !frontMatterTitle) ||
         !params.frontMatterLines.some(function forLine(line) {
           return frontMatterTitleRe.test(line);
         })) {

test/hugo-quickstart-example-blank.md

@@ -1,8 +1,8 @@
-+++
-date = "2016-02-14T16:11:58+05:30"
-draft = true
-title = "Good to Great Book Review"
-
-+++
-
-# Heading 1 {MD041}
++++
+date = "2016-02-14T16:11:58+05:30"
+draft = true
+title = "Good to Great Book Review"
+
++++
+
+# Heading 1

test/md041-yaml-title-and-first-line-heading.json

@@ -0,0 +1,9 @@
+{
+  "default": true,
+  "MD002": {
+    "level": 2
+  },
+  "MD041": {
+    "level": 2
+  }
+}

test/md041-yaml-title-and-first-line-heading.md

@@ -0,0 +1,7 @@
+---
+path: "/post"
+date: "2012-06-21T10:14:00.000+02:00"
+title: "First level heading"
+---
+
+## Second level heading