From df411ad1c9477265a23d001718ce6d92c3d7c6ff Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Thu, 1 Nov 2018 18:50:09 +0100
Subject: [PATCH] allow model names starting with underscore _

---
 src/frontend/inpcom.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 7788e80de..a54a94297 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -1821,6 +1821,10 @@ is_a_modelname(const char *s)
     if (isalpha_c(s[0]))
         return TRUE;
 
+    /* people use model names starting with '_' */
+    if (s[0] == '_')
+        return TRUE;
+
     /* e.g. 1N4002, but do not accept floats (for example 1E2) */
     if (isdigit_c(s[0]) && isalpha_c(s[1]) && isdigit_c(s[2]) && toupper_c(s[1]) != 'E')
         return TRUE;