fix a regression test introduced with enhancements to TagAttribute parsing
diff --git a/core/src/main/jjtree/Markdown.jjt b/core/src/main/jjtree/Markdown.jjt
index b0a3328..01d49e3 100644
--- a/core/src/main/jjtree/Markdown.jjt
+++ b/core/src/main/jjtree/Markdown.jjt
@@ -933,9 +933,9 @@
         | t = <BACKSLASH>
         | t = <BACKTICK>
         | t = <BANG>
+        | t = <COLON>
         | t = <COMMENT_CLOSE>
         | t = <COMMENT_OPEN>
-        | t = <COLON>
         | t = <DOUBLE_QUOTE>
         | t = <EQ>
         | t = <ESCAPED_CHAR>
@@ -966,9 +966,9 @@
         | t = <BACKSLASH>
         | t = <BACKTICK>
         | t = <BANG>
+        | t = <COLON>
         | t = <COMMENT_CLOSE>
         | t = <COMMENT_OPEN>
-        | t = <COLON>
         | t = <DOUBLE_QUOTE>
         | t = <EQ>
         | t = <ESCAPED_CHAR>
@@ -1008,9 +1008,9 @@
         | t = <BACKSLASH>
         | t = <BACKTICK>
         | t = <BANG>
+        | t = <COLON>
         | t = <COMMENT_CLOSE>
         | t = <COMMENT_OPEN>
-        | t = <COLON>
         | t = <DOUBLE_QUOTE>
         | t = <EOL>
         | t = <EQ>
@@ -1041,6 +1041,7 @@
         | t = <BACKSLASH>
         | t = <BACKTICK>
         | t = <BANG>
+        | t = <CODE_SPAN>
         | t = <COLON>
         | t = <EOL>
         | t = <EQ>
@@ -1069,9 +1070,10 @@
         | t = <BACKSLASH>
         | t = <BACKTICK>
         | t = <BANG>
+        | t = <CODE_SPAN>
+        | t = <COLON>
         | t = <COMMENT_CLOSE>
         | t = <COMMENT_OPEN>
-        | t = <COLON>
         | t = <DOUBLE_QUOTE>
         | t = <EQ>
         | t = <EOL>