From b3c457ddf4f71b2978f00eb352c0db60a1eb373e Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Sat, 16 Nov 2019 22:12:53 -0500
Subject: org-maint.el: Tighten "next rev" regexp

---
 org-maint.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/org-maint.el b/org-maint.el
index db5b16a..5343f22 100644
--- a/org-maint.el
+++ b/org-maint.el
@@ -34,7 +34,8 @@ If APPLY is non-nil, use 'git apply' instead of 'git am'."
 
 (defun org-maint-rev-from-next-item ()
   (save-excursion
-    (or (and (re-search-forward "- \\[[ X]\\] \\([A-z0-9]\\{40\\}\\)")
+    (or (and (re-search-forward (rx "- [" (or " " "X") "] "
+                                    (group (= 40 hex-digit))))
              (match-string-no-properties 1))
         (user-error "Next revision item not found"))))
 
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