of optional blanks, an optional @samp{-} sign, and zero or more
digits possibly separated by thousands separators, optionally followed
by a decimal-point character and zero or more digits. A string of
-zero digits is interpreted as @samp{0}. The @env{LC_NUMERIC}
+no digits is interpreted as @samp{0}. The @env{LC_NUMERIC}
locale specifies the decimal-point character and thousands separator.
Numeric sort uses what might be considered an unconventional method to