1 files changed, 4 insertions, 0 deletions

diff --git a/shell/hush_test/hush-misc/env_and_func.tests b/shell/hush_test/hush-misc/env_and_func.tests
index 1d4eaf3a7..3efef1a41 100755
--- a/shell/hush_test/hush-misc/env_and_func.tests
+++ b/shell/hush_test/hush-misc/env_and_func.tests
@@ -1,4 +1,8 @@
 var=old
 f() { echo "var=$var"; }
+# bash: POSIXLY_CORRECT behavior is to "leak" new variable values
+# out of function invocations (similar to "special builtins" behavior);
+# but in "bash mode", they don't leak.
+# hush does not "leak" values. ash does.
 var=val f
 echo "var=$var"