add faq about extracting git patches

diff --git a/faq.mdwn b/faq.mdwn
index ec5b913ab3722e470e0bc1845ae375e7688a4678..2558eb3869a9f9566bc91dca0ca5c4282e57010c 100644 (file)
--- a/faq.mdwn
+++ b/faq.mdwn
@@ -93,3 +93,9 @@ messages in threads that have at least one message with the muted tag:
 You can add other tags to `THREAD_TAGS` as needed. Note that this is one way
 only; you need to explicitly remove the tag from all the messages in a thread to
 stop it from propagating again.
+
+
+## How can I extract a git patchset for an email thread?
+
+See [notmuch-extract-patch](https://github.com/aaptel/notmuch-extract-patch).
+