QUESTION I need add a "href atribute" to CKeditor out format value

[fdsa]

hey dude,thanks for your work.

recently i deploy gs for a shopping site

then I need this feature, i dont' know if it's difficult or not.

ckeditor convert link to

Code:

<a href="http:url">

i need it add an atribute like this  

Code:

<a href="http:url" isconvert="1">

so i didn't need manually input this atribute everytime in "source" edit mode

anyone who can solve this problem for me i am been very apperciate,and promote link back to your site for a thank you.