From d8505f0069f35feea0bed91fb837d704d4403845 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Fri, 17 Mar 2023 13:15:11 +0100
Subject: [PATCH] Make error message more verbose by a hint to the line
 (fragment).

---
 src/frontend/numparam/xpressn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/frontend/numparam/xpressn.c b/src/frontend/numparam/xpressn.c
index 2a59f807d..a8ac9b6f5 100644
--- a/src/frontend/numparam/xpressn.c
+++ b/src/frontend/numparam/xpressn.c
@@ -1272,7 +1272,7 @@ nupa_substitute(dico_t *dico, const char *s, char *r)
             }
 
             if (*kptr == '\0') {
-                err = message(dico, "Closing \"}\" not found.\n");
+                err = message(dico, "Closing \"}\" not found in line fragment\n    {%s.\n", s);
                 goto Lend;
             }