Add -0 ref #2235 and addition example usage

Author: wader

NEWS.md

@@ -66,10 +66,16 @@ Changes
   ```
 - Speed up and refactor some builtins, also remove `scalars_or_empty/0`. #1845 @muhmuhten
 - Add `--binary`/`-b` on Windows for binary output. To get `\n` instead of `\r\n` line endings. 0dab2b1 @nicowilliams
-- Add `--nul-output`/`-0` for null (zero byte) separated output. #1990 @pabs3
+- Add `--nul-output`/`-0` for null (zero byte) separated output. #1990 @pabs3, #2235 @asottile
   ```sh
+  # will output a zero byte between outputs
   $ jq -n0 '1,2,3' | xxd
   00000000: 3100 3200 3300                           1.2.3.
+  # can for example be used with xargs -0
+  $ jq -n -0 1,2,3 | xargs -0 -n1
+  1
+  2
+  3
   ```
 - Fix issue converting string to number after previous convert error. #2400 @thalman