I want to edit markdown source in emacs using the It's All Text plugin for firefox.
In markdown you have to add two spaces to the line-end to get a new line. Suppose there is such a newline in a markdown source. If I open this in emacs via It's All Text, change something else and save it then the two spaces at the end of the line dissapear which is very annoying. So is there a way to configure emacs not to touch such spaces at line ends in this case?