From 26b89936a899057c6b4be283753662440375f2b2 Mon Sep 17 00:00:00 2001
From: john30 <ebusd@ebusd.eu>
Date: Sat, 3 Jun 2017 12:54:08 +0200
Subject: [PATCH] also keep underscore in id

---
 src/ebusd/main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ebusd/main.cpp b/src/ebusd/main.cpp
index bfb95e07..078ded3c 100644
--- a/src/ebusd/main.cpp
+++ b/src/ebusd/main.cpp
@@ -962,7 +962,7 @@ result_t loadScanConfigFile(MessageMap* messages, symbol_t address, bool verbose
       prefix.c_str(), getResultCode(result));
   auto it = ident.begin();
   while (it != ident.end()) {
-    if (!::isalnum(*it)) {
+    if (*it != '_' && !::isalnum(*it)) {
       it = ident.erase(it);
     } else {
       *it = static_cast<char>(::tolower(*it));