From ccfcc056ad1575da510a8c100e8568800dfab26c Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Sun, 2 Apr 2017 13:53:14 +0200
Subject: [PATCH] inpcom.c, bug fix, allow leading '_' in parameter identifiers

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

diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 19dfc54c6..2334cd924 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -5532,7 +5532,7 @@ inp_modify_exp(char* expr)
             if ((*s == '|') || (*s == '&'))
                 s++;
             wl->wl_word = copy_substring(beg, s);
-        } else if (isalpha_c(c)) {
+        } else if (isalpha_c(c) || c == '_') {
 
             char buf[512];
             int i = 0;