Fix Autolinker url-decoding all tokens (#1723)

This PR fixes #1721.

The problem was that the url-decoding introduced in #1173 was applied to all tokens.

plugins/autolinker/prism-autolinker.js

@@ -10,7 +10,7 @@ if (
 var url = /\b([a-z]{3,7}:\/\/|tel:)[\w\-+%~/.:=&]+(?:\?[\w\-+%~/.:#=?&!$'()*,;]*)?(?:#[\w\-+%~/.:#=?&!$'()*,;]*)?/,
     email = /\b\S+@[\w.]+[a-z]{2}/,
     linkMd = /\[([^\]]+)]\(([^)]+)\)/,
-    
+
 	// Tokens that may contain URLs and emails
     candidates = ['comment', 'url', 'attr-value', 'string'];
 
@@ -55,27 +55,27 @@ Prism.hooks.add('before-highlight', function(env) {
 Prism.hooks.add('wrap', function(env) {
 	if (/-link$/.test(env.type)) {
 		env.tag = 'a';
-		
+
 		var href = env.content;
-		
+
 		if (env.type == 'email-link' && href.indexOf('mailto:') != 0) {
 			href = 'mailto:' + href;
 		}
 		else if (env.type == 'md-link') {
 			// Markdown
 			var match = env.content.match(linkMd);
-			
+
 			href = match[2];
 			env.content = match[1];
 		}
-		
+
 		env.attributes.href = href;
-	}
 
-	// Silently catch any error thrown by decodeURIComponent (#1186)
-	try {
-		env.content = decodeURIComponent(env.content);
-	} catch(e) {}
+		// Silently catch any error thrown by decodeURIComponent (#1186)
+		try {
+			env.content = decodeURIComponent(env.content);
+		} catch(e) {}
+	}
 });
 
 })();