template parser: improve HTML entity regex (fix #1330)

Author: yyx990803

src/parsers/template.js

@@ -70,7 +70,7 @@ function isRealTemplate (node) {
 }
 
 var tagRE = /<([\w:]+)/
-var entityRE = /&\w+;/
+var entityRE = /&\w+;|&#\d+;|&#x[\dA-F]+;/
 
 /**
  * Convert a string template to a DocumentFragment.

test/unit/specs/parsers/template_spec.js

@@ -42,6 +42,11 @@ if (_.inBrowser) {
       expect(res instanceof DocumentFragment).toBeTruthy()
       expect(res.childNodes.length).toBe(1)
       expect(res.firstChild.nodeValue).toBe('hi<hi')
+      // #1330
+      res = parse('hello &#x2F; hello')
+      expect(res instanceof DocumentFragment).toBeTruthy()
+      expect(res.childNodes.length).toBe(1)
+      expect(res.firstChild.nodeValue).toBe('hello / hello')
     })
 
     it('should parse textContent if argument is a script node', function () {