From 63106028b4573a4952f6417b1558e09622a1f69f Mon Sep 17 00:00:00 2001
From: Christian Neukirchen <chneukirchen@gmail.com>
Date: Sat, 11 Oct 2014 21:21:23 +0200
Subject: xlint: detect empty variables

---
 xlint | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xlint b/xlint
index dea7eae..85bf5f4 100755
--- a/xlint
+++ b/xlint
@@ -94,4 +94,5 @@ for template; do
 	scan 'maintainer=(?!.*<.*@.*>).*' "maintainer needs email address"
 	scan '^(?!\s*('"$(echo -n "$variables" | tr '\n' '|')"'))[^\s=-]+=' \
 		"custom variables should use _ prefix: \2" -1
+	scan '^[^ =]*=(""|''|)$' "variable set to empty string: \2" -1
 done
-- 
cgit 1.4.1