From 35838def32a9ab13a12aa886b847b5a0d6056899 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 21 Nov 2017 17:58:51 +0100
Subject: [PATCH] CODING_STYLE: document the order in which unescaping +
 specifier expansion should be done

---
 CODING_STYLE | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CODING_STYLE b/CODING_STYLE
index 9dcc090..b090db3 100644
--- a/CODING_STYLE
+++ b/CODING_STYLE
@@ -434,3 +434,8 @@
   that interrupted system calls are automatically restarted, and we minimize
   hassles with handling EINTR (in particular as EINTR handling is pretty broken
   on Linux).
+
+- When applying C-style unescaping as well as specifier expansion on the same
+  string, always apply the C-style unescaping fist, followed by the specifier
+  expansion. When doing the reverse, make sure to escape '%' in specifier-style
+  first (i.e. '%' → '%%'), and then do C-style escaping where necessary.
-- 
2.7.4