* NEWS: sort -t '\0' now uses a NUL tab.
sort option order no longer matters, unless POSIX requires it.
- * doc/coreutils.texi (sort invocation): -d now overrides -i.
- "whitespace" -> "blanks"; "whitespace" isn't correct.
- -t '\0' now specifies a NUL tab.
* src/sort.c (usage): Say "blanks" instead of "whitespace",
Similar fixes for many comments.
(TAB_DEFAULT): New constant, so that we can support NUL as