From aa9fa0ebfe9f8460ac1e9301db11e8d5295781a0 Mon Sep 17 00:00:00 2001
From: tg <tg@mirbsd.org>
Date: Mon, 25 Jul 2016 20:36:28 +0000
Subject: [PATCH] =?UTF-8?q?add=20a=20testcase=20as=20documentation=20(why?=
 =?UTF-8?q?=20POSIX=20isn=E2=80=99t=20everything);=20fix=20comments?=
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Content-Transfer-Encoding: 8bit

---
 check.t | 14 +++++++++++++-
 main.c  |  4 ++--
 misc.c  |  4 ++--
 3 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/check.t b/check.t
index dd70371..54468a4 100644
--- a/check.t
+++ b/check.t
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.741 2016/07/25 00:04:37 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.742 2016/07/25 20:36:24 tg Exp $
 # -*- mode: sh -*-
 #-
 # Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
@@ -359,6 +359,18 @@ stdin:
 expected-stdout:
 	20
 ---
+name: arith-prec-1
+description:
+	Prove arithmetic expressions with embedded parameter
+	substitutions cannot be parsed ahead of time
+stdin:
+	a='3 + 4'
+	print 1 $((2 * a)) .
+	print 2 $((2 * $a)) .
+expected-stdout:
+	1 14 .
+	2 10 .
+---
 name: arith-div-assoc-1
 description:
 	Check associativity of division operator
diff --git a/main.c b/main.c
index e26be95..f907f85 100644
--- a/main.c
+++ b/main.c
@@ -34,7 +34,7 @@
 #include <locale.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/main.c,v 1.312 2016/07/25 00:04:45 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/main.c,v 1.313 2016/07/25 20:36:27 tg Exp $");
 
 extern char **environ;
 
@@ -317,7 +317,7 @@ main_init(int argc, const char *argv[], Source **sp, struct block **lp)
 #endif
 		/*
 		 * this is uniform across all OSes unless it
-		 * breaks somewhere; don't try to optimise,
+		 * breaks somewhere hard; don't try to optimise,
 		 * e.g. add stuff for Interix or remove /usr
 		 * for HURD, because e.g. Debian GNU/HURD is
 		 * "keeping a regular /usr"; this is supposed
diff --git a/misc.c b/misc.c
index be01652..e9c735e 100644
--- a/misc.c
+++ b/misc.c
@@ -30,7 +30,7 @@
 #include <grp.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.243 2016/07/25 00:04:45 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.244 2016/07/25 20:36:28 tg Exp $");
 
 #define KSH_CHVT_FLAG
 #ifdef MKSH_SMALL
@@ -354,7 +354,7 @@ change_xtrace(unsigned char newval, bool dosnapshot)
  */
 int
 parse_args(const char **argv,
-    /* OF_CMDLINE or OF_SET */
+    /* OF_FIRSTTIME, OF_CMDLINE, or OF_SET */
     int what,
     bool *setargsp)
 {