fix prompt IFS

test/stub/extra/library.bash

@@ -0,0 +1,21 @@
+#!/usr/bin/env miaou-bash
+#!/usr/bin/env bash
+
+function blabla {
+  echo IN blabla OUT
+  >&2 echo stderr from utility
+  # . lib/not_found_again.bash
+  # lib/not_found_again.bash
+  suite
+}
+
+function suite {
+  command_not_found
+  echo $nope
+  exit 10 # youpi
+  return 7
+  return
+  exit
+}
+
+blabla