--- a/src/reditor.c	Sat Aug 30 15:13:39 2008 +0900
+++ b/src/reditor.c	Sat Aug 30 21:30:44 2008 +0900
@@ -1493,7 +1493,11 @@
 
     text = get_memline_wrp(cursn->buf, cursn->prevline);
     
-    cmd = make_cmd(REP_REPLACE_CMD, cursn->sid, rep->eid, rep->seqno++, cursn->prevline, text);
+    //cmd = make_cmd(REP_REPLACE_CMD, cursn->sid, rep->eid, rep->seqno++, cursn->prevline, text);
+
+    // TODO : 変更前のテキストを UNDO バッファから取得する
+    cmd = make_cmd(REP_DELETE_CMD, cursn->sid, rep->eid, rep->seqno++, cursn->prevline, prev_text);
+    cmd->next = make_cmd(REP_INSERT_CMD, cursn->sid, rep->eid, rep->seqno++, cursn->prevline, text);
     
     add_cmd_to_list(&(cursn->new_cmdlist), cmd);
 
@@ -1660,6 +1664,7 @@
             rep->eid = eid;
         }
         break;
+/*
     case REP_SELECT_ACK:
         // text is error message. means occur ERROR in session manager
         if (text) {
@@ -1684,10 +1689,11 @@
 
         rep_start_create_cmds();
 
-        /* get window size */
-        /* send read command */
+        // get window size
+        // send read command
         break;
     case REP_REGISTER_ACK:
+*/
     case REP_PUT_ACK:
         /* Enter Session */
 
@@ -1711,6 +1717,7 @@
         rep_start_create_cmds();
         
         break;
+/*
     case REP_DEREGISTER_CMD:
     case REP_DEREGISTER_ACK:
     case REP_QUIT_CMD:
@@ -1719,11 +1726,9 @@
     case REP_GET_ACK:
         break;
     case REP_OPEN_CMD:
-        /* REP_OPEN_CMD is handled in list part. (may be upper function) */
+        // REP_OPEN_CMD is handled in list part. (may be upper function)
         break;
 
-        /* connection commands */
-
     case REP_OPEN_ACK:
     case REP_CLOSE_CMD:
         break;
@@ -1735,20 +1740,23 @@
         break;
     case REP_READ_FIN:
         break;
-        /* buffer edit commands */
-        /* session's buffer is set to current buffer */
+        // buffer edit commands
+        // session's buffer is set to current buffer
+*/
     case REP_INSERT_CMD:
         append_memline_wrp(lnum, text);
         break;
     case REP_DELETE_LINE_CMD:
         delete_memline_wrp(lnum);
         break;
+/*
     case REP_REPLACE_CMD:
         if (lnum > get_bufmaxline_wrp(session->buf)) {
             append_memline_wrp(lnum, text);
         }
-        replace_memline_wrp(lnum, text);  /* text was allocated */
+        replace_memline_wrp(lnum, text);  // text was allocated
         break;
+*/
     default:
         break;
     }
@@ -2060,9 +2068,11 @@
             return FALSE;
         }
         /* Session ごとに行う↓*/
+    /*
 	for(sn = rep_p->shead; sn ; sn = sn->next) {
 	    translate( &sn->new_cmdlist , &txtcmdlist);
 	}
+    */
         del_ignored_cmd(&txtcmdlist);
         rep_exe_pktlist(&txtcmdlist);