+2006-10-24 Paul Eggert <eggert@cs.ucla.edu>
+
+ * doc/autoconf.texi (Limitations of Usual Tools): Document that rm
+ needs operands on NetBSD 2.0.2. Problem reported by Bruno Haible.
+
2006-10-24 Stepan Kasal <kasal@ucw.cz>
* tools/trace.at (autoconf --trace: user macros): Test `$%'.
@prindex @command{rm}
The @option{-f} and @option{-r} options are portable.
+It is not portable to invoke @command{rm} without operands. For
+example, on many systems @samp{rm -f -r} (with no other arguments)
+silently succeeds without doing anything, but it fails with a diagnostic
+on Net@acronym{BSD} 2.0.2.
+
A file might not be removed even if its parent directory is writable
and searchable. Many Posix hosts cannot remove a mount point, a named
stream, a working directory, or a last link to a file that is being