From a65e180e5e5eca77ca13de082f3e16c0402b18af Mon Sep 17 00:00:00 2001
From: "Roberto E. Vargas Caballero" <k0ga@shike2.com>
Date: Wed, 16 Dec 2015 19:39:21 +0100
Subject: [PATCH] Discard input at the end of global commands

If there is no any match, then the rest of the line
is not read, and it means that ed thins it is a new
command.
---
 ed.c | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/ed.c b/ed.c
index bde2c55..9a80eb9 100644
--- a/ed.c
+++ b/ed.c
@@ -65,28 +65,35 @@ static struct undo udata;
 static int newcmd;
 
 
+
+static void
+discard(void)
+{
+	int c;
+
+	/* discard until end of line */
+	if (repidx < 0  &&
+	    ((cmdsiz > 0 && cmdline[cmdsiz-1] != '\n') || cmdsiz == 0)) {
+		while ((c = getchar()) != '\n' && c != EOF)
+			/* nothing */;
+	}
+}
+
 static void undo(void);
 
 static void
 error(char *msg)
 {
-	int c;
-
 	exstatus = 1;
 	lasterr = msg;
 	fputs("?\n", stderr);
 
 	if (optverbose)
 		fprintf(stderr, "%s\n", msg);
-
-	/* discard until end of line */
-	if (repidx < 0 && cmdsiz > 0 && cmdline[cmdsiz-1] != '\n') {
-		while ((c = getchar()) != '\n' && c != EOF)
-			/* nothing */;
-	}
-
 	if (!newcmd)
 		undo();
+
+	discard();
 	curln = ocurln;
 	longjmp(savesp, 1);
 }
@@ -1293,6 +1300,7 @@ doglobal(void)
 		}
 		docmd();
 	}
+	discard();   /* cover the case of not matchingc anything */
 }
 
 static void