From 50f8fa972c3795a115e7faff0b4c140b40eab5f0 Mon Sep 17 00:00:00 2001
From: Peter Stephenson
Date: Wed, 21 Nov 2018 10:10:03 +0000
Subject: 43837 plus test from Daniel: Empty string in nested subst.
Skip Nularg or there is a bogus character at the start.
---
Src/subst.c | 2 ++
1 file changed, 2 insertions(+)
(limited to 'Src')
diff --git a/Src/subst.c b/Src/subst.c
index c706b9688..ff6750a59 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -2405,6 +2405,8 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
aspar = 0;
} else if (aspar)
idbeg = val;
+ if (*val == Nularg)
+ ++val;
*s = sav;
/*
* This tests for the second double quote in an expression
--
cgit 1.4.1