[RFC] [PATCH v1] emacs: More citation washing.

[David Edmondson]

Ensure that a citation is preceded and followed by a blank line,
unless the preceding line looks like a citation leader.
---

Washing changes are always a bit risky, as they are heuristic
based. Testers for this (alleged) improvement welcome!

 emacs/notmuch-wash.el | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/emacs/notmuch-wash.el b/emacs/notmuch-wash.el
index 8fe91e1..83621bb 100644
--- a/emacs/notmuch-wash.el
+++ b/emacs/notmuch-wash.el
@@ -276,7 +276,19 @@ Perform several transformations on the message body:
   ;; text.
   (goto-char (point-min))
   (while (re-search-forward "\\(^>[> ]*\n\\)\\(^$\\|^[^>].*\\)" nil t)
-    (replace-match "\\2")))
+    (replace-match "\\2"))
+
+  ;; Ensure that a citation block has a blank line before it, unless
+  ;; the previous line ends in ':' (because that's probably the
+  ;; citation).
+  (goto-char (point-min))
+  (while (re-search-forward "^[^>].*[^:]\\(\n\\)>.*" nil t)
+    (replace-match "\n\n" nil nil nil 1))
+
+  ;; Ensure that a citation block has a blank line after it.
+  (goto-char (point-min))
+  (while (re-search-forward "^>.*\\(\n\\)[^>].*" nil t)
+    (replace-match "\n\n" nil nil nil 1)))
 
 ;;
 
-- 
1.9.3 (Apple Git-50)