diff --git a/dist/showdown.js b/dist/showdown.js
index 4facbbb..93de282 100644
Binary files a/dist/showdown.js and b/dist/showdown.js differ
diff --git a/dist/showdown.js.map b/dist/showdown.js.map
index 6d71b85..5845a3a 100644
Binary files a/dist/showdown.js.map and b/dist/showdown.js.map differ
diff --git a/dist/showdown.min.js b/dist/showdown.min.js
index 3f64c84..8e0fdac 100644
Binary files a/dist/showdown.min.js and b/dist/showdown.min.js differ
diff --git a/dist/showdown.min.js.map b/dist/showdown.min.js.map
index cdc4516..edd7aa0 100644
Binary files a/dist/showdown.min.js.map and b/dist/showdown.min.js.map differ
diff --git a/src/subParsers/escapeSpecialCharsWithinTagAttributes.js b/src/subParsers/escapeSpecialCharsWithinTagAttributes.js
index 42c7e73..ea66eed 100644
--- a/src/subParsers/escapeSpecialCharsWithinTagAttributes.js
+++ b/src/subParsers/escapeSpecialCharsWithinTagAttributes.js
@@ -13,7 +13,7 @@ showdown.subParser('escapeSpecialCharsWithinTagAttributes', function (text) {
     return wholeMatch
       .replace(/(.)<\/?code>(?=.)/g, '$1`')
     //tag = showdown.helper.escapeCharacters(tag, '\\`*_', false);
-      .replace(/([\\`*_])/g, showdown.helper.escapeCharactersCallback);
+      .replace(/([\\`*_ ~=])/g, showdown.helper.escapeCharactersCallback);
   });
 
   return text;