From 3b2fd831f47096c07475f3bbf8712445d7fb0ba0 Mon Sep 17 00:00:00 2001
From: Frank LENORMAND <lenormf@gmail.com>
Date: Tue, 15 Mar 2016 13:51:19 +0200
Subject: [PATCH] Replace non-POSIX `-o` test flag with a double pipe

---
 rc/core/commenting.kak | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rc/core/commenting.kak b/rc/core/commenting.kak
index 0335f261..f6d0b068 100644
--- a/rc/core/commenting.kak
+++ b/rc/core/commenting.kak
@@ -14,7 +14,7 @@ def comment-selection -docstring "Comment/uncomment the current selection" %{
         readonly opening=$(exec_proof "${kak_opt_comment_selection_chars%%:*}")
         readonly closing=$(exec_proof "${kak_opt_comment_selection_chars##*:}")
 
-        if [ -z "${opening}" -o -z "${closing}" ]; then
+        if [ -z "${opening}" ] || [ -z "${closing}" ]; then
             printf %s "The \`comment_selection_chars\` variable is empty, couldn't comment the selection" >&2
             exit
         fi