Select the article that you want to respond to in a Reader window.
Select any text that you want to refer to in your follow-up article. This text will be copied to the Compose window automatically, marked with a leading '>' and space, and preceded by an attribution that identifies the poster and id of the message you are responding to.
Choose New Composition from the Compose menu. A new Compose window will appear that is formatted for your follow-up article. The newsgroup name will be filled in. The subject line will be filled in, possibly with the prefix “Re:”. If you selected text in the article, lines will appear in the bottom pane describing the message id and poster of the article, and the selected text will appear with a prefix of '>' and a space before each line.
If you have entered a signature in the Composing Preferences screen, this signature will be appear at the bottom of the composing pane. A signature is used to identify you, your mail address, your organization, and anything else that you would like to appear on all of your postings.
Type your response below the indented text. Send as for an original article.
You can change a follow-up article to an original article by clicking the radio button in the top pane. The subject line will change when you do this.