target="_blank". Today, in creating this post, in "Compose" mode, and adding the above link, I see the option
Open this link in a new window.in the "Add link " wizard.
If Blogger is able to resolve the many design issues with the New Blogger GUI (2011) in general, this change in the New GUI (2011) Post Editor will go a long way towards removing our need to use "Edit HTML" Mode. This will remove a significant amount of problems of using Post Editor in dual modes, and will allow them to stabilise Post Editor in general.