From a40ba9ec4e677aa3d2535e761ea6b49fe781e2c5 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Tue, 22 May 2018 21:18:53 +0200
Subject: [PATCH] add a comment

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

diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 2bc1a64ab..4713c3df5 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -4809,6 +4809,7 @@ inp_compat(struct card *card)
                         tc2 = atof(tc2_ptr+1);
                 }
             }
+            /* white noise model by x2line, x3line, x4line */
             if ((tc1_ptr == NULL) && (tc2_ptr == NULL)) {
                 xline = tprintf("b%s %s %s i = v(%s, %s)/(%s)", title_tok, node1, node2,
                         node1, node2, equation);