Fix superfluous escape in digits

Author: wooorm

lib/unsafe.js

@@ -57,7 +57,7 @@ module.exports = [
   // underlines.
   {atBreak: true, character: '-'},
   // A dot could start a list item.
-  {atBreak: true, before: '\\d+', character: '.'},
+  {atBreak: true, before: '\\d+', character: '.', after: '(?:[ \t\r\n]|$)'},
   // Slash, colon, and semicolon are not used in markdown for constructs.
   // A less than can start html (flow or text) or an autolink.
   // HTML could start with an exclamation mark (declaration, cdata, comment),

test.js

@@ -2546,6 +2546,12 @@ test('escape', function (t) {
     'should escape what would otherwise be a list item (paren)'
   )
 
+  t.equal(
+    to({type: 'paragraph', children: [{type: 'text', value: '1.2.3. asd'}]}),
+    '1.2.3. asd\n',
+    'should not escape what can’t be a list (dot)'
+  )
+
   t.end()
 })