sed: accept s///i as a synonym for s///I ("ignore case")

Signed-off-by: David A. Wheeler <dwheeler@dwheeler.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/editors/sed.c b/editors/sed.c
index 31fb103ec601a6f3e7a4381b0a178bd8e7ab9841..e18e48ab5ba0fc0265ee688456e5da9569de9186 100644 (file)
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -381,7 +381,7 @@ static int parse_subst_cmd(sed_cmd_t *sed_cmd, const char *substr)
 
        /*
         * A substitution command should look something like this:
-        *    s/match/replace/ #gIpw
+        *    s/match/replace/ #giIpw
         *    ||     |        |||
         *    mandatory       optional
         */
@@ -429,6 +429,7 @@ static int parse_subst_cmd(sed_cmd_t *sed_cmd, const char *substr)
                        break;
                }
                /* Ignore case (gnu exension) */
+               case 'i':
                case 'I':
                        cflags |= REG_ICASE;
                        break;