diff --git a/unwrap-diff b/unwrap-diff
new file mode 100755
index 0000000000..fc5b63bc55
--- /dev/null
+++ b/unwrap-diff
@@ -0,0 +1,2 @@
+#!/bin/sh
+tr '\n' '\001' | sed 's/\x01\x01/\x01 \x01/g' | sed 's/\x01\([^-+ @]\)/ \1/g' | tr '\001' '\n'
\ No newline at end of file