Dear all,

As I understand it, a fixed width section (BTW, is "fixed width section" the official term for this?) is defined as a line which is started by zero or more spaces, and then a colon, *and then a space*, and then zero or more characters.

:<spc>line1

:<spc>

:<spc>line3

But many editors (Emacs including) likes to trim trailing spaces, so when the file is saved, the second line loses its space: