Add defang(1df)

><tejr> I learned the word "defang" today as applied to URLs
><tejr> I knew about the practice but not what it was called
><tejr> Now I am writing a little script to do it for me
><russm> tejr: pip install defang ?
><tejr> Why you gotta be like that, russm
><tejr> Let me have my three-line sed script

1 files changed, 1 insertions, 0 deletions

diff --git a/README.md b/README.md
index bb095c3c..6c53c211 100644
--- a/README.md
+++ b/README.md
@@ -505,6 +505,7 @@ Installed by the `install-bin` target:
   input.
 * `dam(1df)` buffers all its input before emitting it as output.
 * `ddup(1df)` removes duplicate lines from unsorted input.
+* `defang(1df)` prevents dangerous URLs from being made into clickable links.
 * `dmp(1df)` copies a pass(1) entry selected by `dmenu(1)` to the X CLIPBOARD.
 * `dub(1df)` lists the biggest entries in a directory.
 * `edda(1df)` provides a means to run `ed(1)` over a set of files preserving