On Sun, 23 Feb 2014 03:52:48 +0100, Vincent Lefevre wrote: > On some pair of files, "diff" reports a diff on identical lines. > See the attached archive. At line 1272 of "diff -u out1 out2": > > @@ -137681,90 +138934,186 @@ > 26659 > 468 > 462 > -26946 > +26946 > +470 > +814 > +815 > [...] > > This chunk shouldn't contain: > > -26946 > +26946 > > There's the same problem without the "-u" option. Some whitespace diff ? -- Eric Deplagne