* tests/init.sh (warn_): Use printf, not echo. The latter would
misbehave when given strings containing a backslash or starting
with e.g., -n. James Youngman suggested setting IFS.
# the reason for skip/failure to console, rather than to the .log files.
: ${stderr_fileno_=2}
-warn_ () { echo "$@" 1>&$stderr_fileno_; }
+# Call w2_ only via warn_, since correct expansion of "$*" depends on
+# IFS starting with ' '.
+w2_ () { printf '%s\n' "$*" 1>&$stderr_fileno_ ; }
+warn_ ()
+{
+ # If IFS does not start with ' ', set it and emit the warning in a subshell.
+ case $IFS in
+ ' '*) w2_ "$@";;
+ *) (IFS=' '; w2_ "$@");;
+ esac
+}
fail_ () { warn_ "$ME_: failed test: $@"; Exit 1; }
skip_ () { warn_ "$ME_: skipped test: $@"; Exit 77; }
fatal_ () { warn_ "$ME_: hard error: $@"; Exit 99; }