refactor: add colon to escaped chars in images and anchors

dist/showdown.js

@@ -1,4 +1,4 @@
-;/*! showdown v 1.7.6 - 06-10-2017 */
+;/*! showdown v 1.7.6 - 24-10-2017 */
 (function(){
 /**
  * Created by Tivie on 13-07-2015.
@@ -925,7 +925,7 @@ if (typeof(console) === 'undefined') {
  * We declare some common regexes to improve performance
  */
 showdown.helper.regexes = {
-  asteriskAndDash: /([*_])/g
+  asteriskDashAndColon: /([*_:])/g
 };
 
 /**
@@ -1393,14 +1393,14 @@ showdown.subParser('anchors', function (text, options, globals) {
     }
 
     //url = showdown.helper.escapeCharacters(url, '*_', false); // replaced line to improve performance
-    url = url.replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+    url = url.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
 
     var result = '<a href="' + url + '"';
 
     if (title !== '' && title !== null) {
       title = title.replace(/"/g, '&quot;');
       //title = showdown.helper.escapeCharacters(title, '*_', false); // replaced line to improve performance
-      title = title.replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+      title = title.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
       result += ' title="' + title + '"';
     }
 
@@ -2300,16 +2300,16 @@ showdown.subParser('images', function (text, options, globals) {
     altText = altText
       .replace(/"/g, '&quot;')
     //altText = showdown.helper.escapeCharacters(altText, '*_', false);
-      .replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+      .replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
     //url = showdown.helper.escapeCharacters(url, '*_', false);
-    url = url.replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+    url = url.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
     var result = '<img src="' + url + '" alt="' + altText + '"';
 
     if (title) {
       title = title
         .replace(/"/g, '&quot;')
       //title = showdown.helper.escapeCharacters(title, '*_', false);
-        .replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+        .replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
       result += ' title="' + title + '"';
     }
 

src/helpers.js

@@ -376,5 +376,5 @@ if (typeof(console) === 'undefined') {
  * We declare some common regexes to improve performance
  */
 showdown.helper.regexes = {
-  asteriskAndDash: /([*_])/g
+  asteriskDashAndColon: /([*_:])/g
 };

src/subParsers/anchors.js

@@ -33,14 +33,14 @@ showdown.subParser('anchors', function (text, options, globals) {
     }
 
     //url = showdown.helper.escapeCharacters(url, '*_', false); // replaced line to improve performance
-    url = url.replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+    url = url.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
 
     var result = '<a href="' + url + '"';
 
     if (title !== '' && title !== null) {
       title = title.replace(/"/g, '&quot;');
       //title = showdown.helper.escapeCharacters(title, '*_', false); // replaced line to improve performance
-      title = title.replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+      title = title.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
       result += ' title="' + title + '"';
     }
 

src/subParsers/images.js

@@ -56,16 +56,16 @@ showdown.subParser('images', function (text, options, globals) {
     altText = altText
       .replace(/"/g, '"')
     //altText = showdown.helper.escapeCharacters(altText, '*_', false);
-      .replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+      .replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
     //url = showdown.helper.escapeCharacters(url, '*_', false);
-    url = url.replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+    url = url.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
     var result = '<img src="' + url + '" alt="' + altText + '"';
 
     if (title) {
       title = title
         .replace(/"/g, '&quot;')
       //title = showdown.helper.escapeCharacters(title, '*_', false);
-        .replace(showdown.helper.regexes.asteriskAndDash, showdown.helper.escapeCharactersCallback);
+        .replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);
       result += ' title="' + title + '"';
     }