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-rw-r--r--README.md3
1 files changed, 3 insertions, 0 deletions
diff --git a/README.md b/README.md
index 8761d5c..1ef1769 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,9 @@ mappings in normal and visual mode to "undo" lines of changes defined by a
linewise motion or visual mode selection: leading minus signs are removed, and
lines with leading plus signs are deleted.
+If the changes result in a diff block or file block having no changes left, it
+is also removed.
+
This can be handy for using with the `-e` or `--edit` option to `git-add`,
which allows you to edit a diff before applying changes to the staging area.