--- vimperator-plugins/migemo_completion.js	2009-04-04 23:15:42.000000000 +0900
+++ .vimperator/plugin/migemo_completion.js	2009-09-30 22:23:53.000000000 +0900
@@ -30,7 +30,13 @@
   modules.CompletionContext.prototype.match = function (str){
       var filter = this.filter;
       if (!filter) return this._match(filter, str);
-      if (oldFilter != filter) migemoPattern = new RegExp(XMigemoTextUtils.sanitize(filter) + "|" + XMigemoCore.getRegExp(filter),"i");
+      if (oldFilter != filter) {
+	var migemoPatternStr = XMigemoTextUtils.sanitize(filter) + "|" + XMigemoCore.getRegExp(filter);
+	if (this.anchored) {
+	  migemoPatternStr = "^(" + migemoPatternStr + ")";
+	}
+	migemoPattern = new RegExp(migemoPatternStr,"i");
+      }
 
       oldFilter = filter;
       return migemoPattern.test(str);