I also discovered that there are certain types of file changes that are not representable in patches within Debian packages. This wasn’t a problem but it was an eye-opener to me.
@jmtd I would like to read more about this.
@RogerBW it’s to do with changing a path from a symlink to something else. Let me find the -devel thread…
@jmtd Ooh, interesting. Thank you.