--- a/util/x509.lua	Tue Mar 16 18:30:54 2021 +0100
+++ b/util/x509.lua	Thu Oct 20 14:04:56 2022 +0200
@@ -276,8 +276,7 @@
 	return names.data;
 end
 
-local pat = "%-%-%-%-%-BEGIN ([A-Z ]+)%-%-%-%-%-\r?\n"..
-"([0-9A-Za-z+/=\r\n]*)\r?\n%-%-%-%-%-END %1%-%-%-%-%-";
+local pat = "%-%-%-%-%-BEGIN ([A-Z ]+)%-%-%-%-%-\r?\n([0-9A-Za-z+/=\r\n]*)\r?\n%-%-%-%-%-END %1%-%-%-%-%-";
 
 local function pem2der(pem)
 	local typ, data = pem:match(pat);