ed 0i versus IEEE Std 1003.1-2008 (``POSIX.1'')

[Jeremy Mates]

"Address 0 shall be valid for this command; it shall be interpreted as if
 address 1 were specified." -- http://pubs.opengroup.org/onlinepubs/9699919799/

Jeremy

--- main.c.orig Mon Nov 29 20:49:05 2010
+++ main.c      Wed Apr 25 18:53:59 2012
@@ -605,8 +605,8 @@
                break;
        case 'i':
                if (second_addr == 0) {
-                       seterrmsg("invalid address");
-                       return ERR;
+                       second_addr = 1;
                }
                GET_COMMAND_SUFFIX();
                if (!isglobal) clear_undo_stack();