From b79b8e722028ee8b28990a998ff3ecae4a5252c5 Mon Sep 17 00:00:00 2001
From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Tue, 20 Oct 2020 08:28:21 +0200
Subject: [PATCH] Fix edgepaint -? to actually print usage instead of error on
 macOS

Towards https://gitlab.com/graphviz/graphviz/-/issues/1852.
---
 cmd/edgepaint/edgepaintmain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/edgepaint/edgepaintmain.c b/cmd/edgepaint/edgepaintmain.c
index 18ab2ec58..3473faab4 100644
--- a/cmd/edgepaint/edgepaintmain.c
+++ b/cmd/edgepaint/edgepaintmain.c
@@ -180,7 +180,7 @@ static void init(int argc, char *argv[], real *angle, real *accuracy, char **inf
       outfile = openFile(optarg, "w", CmdName);
       break;
     case '?':
-      if (optopt == '\0')
+      if (optopt == '\0' || optopt == '?')
 	usage(cmd, 0);
       else {
 	fprintf(stderr, "option -%c unrecognized\n",
-- 
2.40.0