Fix escaping

Author: wooorm

lib/unsafe.js

@@ -97,10 +97,13 @@ module.exports = [
   // A grave accent can start code (fenced or text), or it can break out of
   // a grave accent code fence.
   {atBreak: true, character: '`'},
-  {character: '`', inConstruct: 'phrasing'},
   {
     character: '`',
-    inConstruct: ['codeFencedLangGraveAccent', 'codeFencedMetaGraveAccent']
+    inConstruct: [
+      'codeFencedLangGraveAccent',
+      'codeFencedMetaGraveAccent',
+      'phrasing'
+    ]
   },
   // Left brace, vertical bar, right brace are not used in markdown for
   // constructs.

lib/util/safe.js

@@ -47,7 +47,7 @@ function safe(context, input, config) {
     }
   }
 
-  positions.sort()
+  positions.sort(numerical)
 
   start = config.before ? 1 : 0
   end = value.length - (config.after ? 1 : 0)
@@ -132,3 +132,7 @@ function toExpression(pattern) {
     'g'
   )
 }
+
+function numerical(a, b) {
+  return a - b
+}