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-rw-r--r--doc/README.MAIL2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/README.MAIL b/doc/README.MAIL
index 66d8344..73519d0 100644
--- a/doc/README.MAIL
+++ b/doc/README.MAIL
@@ -44,6 +44,8 @@ patches, though:
(150 characters or less), use the first paragraph as the
subject.
+All literal "[patch]" strings are stripped from subject headers as well.
+
If no subject can be extracted from a patch, or there are duplicate
subjects, the mail command will print an error message and abort.