From 7c30edc14cbde9196f2be5ec09d3e6cffb1e8e0b Mon Sep 17 00:00:00 2001
From: Bobbi Webber-Manners <bobbi.manners@gmail.com>
Date: Mon, 8 Jun 2020 11:34:42 -0400
Subject: [PATCH] Added notes to README about zeroing free blocks

---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b7e994b..d7304e6 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ a directory tree or an entire volume:
   - Multi-level directory sort
   - Manipulating the case of filenames *
   - Manipulating the format of time and date information *
+  - Zeroing free blocks
 
 *Sortdir* is intended to help users migrate to the new ProDOS 2.5 release,
 which is currently in alpha.  The code has been testing with ProDOS 2.5a8,
@@ -343,6 +344,8 @@ time format back to the legacy format.
 
 ### Zeroing Free Blocks
 
-Not yet implemented in ProDOS-8 version.
+If requested *Sortdir* will zero free blocks on disk.  This is helpful in order
+to make disk images compress better with ZIP or similar tools and also to
+securely erase files.