fix(encodeEmail): now produces valid emails

Closes #340

dist/showdown.js

@@ -170,6 +170,10 @@ var showdown = {},
         ghCompatibleHeaderId:                 true,
         ghMentions:                           true
       },
+      original: {
+        noHeaderId:                           true,
+        ghCodeBlocks:                         false
+      },
       vanilla: getDefaultOpts(true),
       allOn: allOptionsOn()
     };
@@ -1404,8 +1408,8 @@ showdown.subParser('autoLinks', function (text, options, globals) {
     b = b || '';
     mail = showdown.subParser('unescapeSpecialChars')(mail, options, globals);
     if (options.encodeEmails) {
-      mail = showdown.helper.encodeEmailAddress(mail);
       href = showdown.helper.encodeEmailAddress(href + mail);
+      mail = showdown.helper.encodeEmailAddress(mail);
     } else {
       href = href + mail;
     }

src/showdown.js

@@ -25,6 +25,10 @@ var showdown = {},
         ghCompatibleHeaderId:                 true,
         ghMentions:                           true
       },
+      original: {
+        noHeaderId:                           true,
+        ghCodeBlocks:                         false
+      },
       vanilla: getDefaultOpts(true),
       allOn: allOptionsOn()
     };

src/subParsers/autoLinks.js

@@ -40,8 +40,8 @@ showdown.subParser('autoLinks', function (text, options, globals) {
     b = b || '';
     mail = showdown.subParser('unescapeSpecialChars')(mail, options, globals);
     if (options.encodeEmails) {
-      mail = showdown.helper.encodeEmailAddress(mail);
       href = showdown.helper.encodeEmailAddress(href + mail);
+      mail = showdown.helper.encodeEmailAddress(mail);
     } else {
       href = href + mail;
     }