diff -up cups-1.5.0/cups/backend.c.backend-bad-id cups-1.5.0/cups/backend.c
--- cups-1.5.0/cups/backend.c.backend-bad-id	2011-04-29 23:45:35.000000000 +0100
+++ cups-1.5.0/cups/backend.c	2012-01-17 12:23:13.687442534 +0000
@@ -110,7 +110,8 @@ cupsBackendReport(
 
 
 /*
- * 'quote_string()' - Write a quoted string to stdout, escaping \ and ".
+ * 'quote_string()' - Write a quoted string to stdout, escaping \ and ",
+ * and replacing newline with space.
  */
 
 static void
@@ -125,7 +126,10 @@ quote_string(const char *s)		/* I - Stri
       if (*s == '\\' || *s == '\"')
 	putchar('\\');
 
-      putchar(*s);
+      if (*s == '\n')
+	putchar(' ');
+      else
+	putchar(*s);
 
       s ++;
     }