From 8d5161720a577de682d6fc75e3a319b0c4a5fe64 Mon Sep 17 00:00:00 2001
From: Koichi Murase <myoga.murase@gmail.com>
Date: Mon, 6 Jan 2020 19:26:50 +0800
Subject: [PATCH] syntax: workaround Bash-4.1 arithmetic bug

---
 ble-syntax.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ble-syntax.sh b/ble-syntax.sh
index 5782c31a..bd22a4ef 100755
--- a/ble-syntax.sh
+++ b/ble-syntax.sh
@@ -550,7 +550,7 @@ function ble-syntax/parse/nest-equals {
 #%if !release
     ((onest[3]!=0&&onest[3]<=parent_inest)) || { ble-stackdump 'invalid nest' && return 0; }
 #%end
-    ((onest[3]<0?(parent_inest=onest[3]):(parent_inest-=onest[3])))
+    ((parent_inest=onest[3]<0?onest[3]:(parent_inest-onest[3])))
   done
 }