[oXygen-user] Changing the line width

Hi. I use the "Detect line width on open" option in Preferences->Editor->Format so that I don't mess up other peoples files when pretty-printing them. However, sometimes I do wish to change the line width of a specific file. Is it possible to change the line width of a specific file while at the same time having the "Detect line width on open" option enabled? Regards Jostein