From fc1090efc7ef769163471fcb0d8d9a8a855415af Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Thu, 3 Mar 2016 10:01:14 +0100
Subject: [PATCH 1/1] Makefile: use ?= for $BROWSER

This way the $BROWSER environment variable is used instead
if it exists.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index d636fb6..30eb5db 100644
--- a/Makefile
+++ b/Makefile
@@ -38,7 +38,7 @@ ADOC_STDARG= -a icons -a data-uri -a "date=$(shell date)"
 ADOC_MAN1_HTML_ARGS=-a "manvolnum=1" ${ADOC_STDARG} -a "revnumber=${RELEASE}"
 ADOC_MAN8_HTML_ARGS=-a "manvolnum=8" ${ADOC_STDARG} -a "revnumber=${RELEASE}"
 
-BROWSER=xdg-open
+BROWSER?=xdg-open
 
 %-nwdiag.svg: %.nwdiag
 	nwdiag -T svg $*.nwdiag -o $@;
-- 
2.39.2