1. A method, comprising: receiving an input to a body of an electronic markup language document that is being displayed in a window; and in response to said receiving: generating a comment based on or including the input; storing the comment in a comment section of a data structure for the electronic document, wherein said storing comprises formatting the comment using a tag to identify the comment, wherein the comment section of the data structure is separate from a body section of the data structure, wherein the body section of the data structure includes content for the body of the electronic markup language document; and displaying the body of the electronic markup language document and an action user interface element in the window, wherein the action user interface element can be activated to perform an action in regard to at least part of the comment stored in the comment section of the data structure, wherein the action includes one or more of view, accept, reject, modify, delete, insert, or replace.
2. The method of claim 1 , wherein the electronic document is formatted using HTML.