front-matter must be delimited by ---

browser/lib/findNoteTitle.js

@@ -1,13 +1,11 @@
-const frontMatterRegex = /^\-{3,}/
-
 export function findNoteTitle (value) {
   const splitted = value.split('\n')
   let title = null
   let isInsideCodeBlock = false
 
-  if (frontMatterRegex.exec(splitted[0])) {
+  if (splitted[0] === '---') {
     let index = 0
-    while (++index < splitted.length && !frontMatterRegex.exec(splitted[index])) {
+    while (++index < splitted.length && splitted[index] !== '---') {
     }
 
     splitted.splice(0, index + 1)

browser/lib/markdown-it-frontmatter.js

@@ -0,0 +1,21 @@
+'use strict'
+
+module.exports = function frontMatterPlugin (md) {
+  function frontmatter (state, startLine, endLine, silent) {
+    if (startLine !== 0 || state.src.substr(startLine, state.eMarks[0]) !== '---') {
+      return false
+    }
+
+    let line = 0
+    while (++line < state.lineMax && state.src.substring(state.bMarks[line], state.eMarks[line]) !== '---') {
+    }
+
+    state.line = line + 1
+
+    return true
+  }
+
+  md.block.ruler.before('table', 'frontmatter', frontmatter, {
+    alt: [ 'paragraph', 'reference', 'blockquote', 'list' ]
+  })
+}

browser/lib/markdown.js

@@ -149,7 +149,7 @@ class Markdown {
     })
     this.md.use(require('markdown-it-kbd'))
     this.md.use(require('markdown-it-admonition'))
-    this.md.use(require('markdown-it-front-matter'), fm => {})
+    this.md.use(require('./markdown-it-frontmatter'))
 
     const deflate = require('markdown-it-plantuml/lib/deflate')
     this.md.use(require('markdown-it-plantuml'), '', {