rem: this.mLauncher.MIMEInfo.applicationDescription = app.leafName; 
add: this.mLauncher.MIMEInfo.applicationDescription = ""; 
context:     updateMIMEInfo: function() {        var needUpdate = false;        // If current selection differs from what's in the mime info object,        // then we need to update.        if ( this.dialogElement( "saveToDisk" ).selected ) {            needUpdate = this.mLauncher.MIMEInfo.preferredAction != this.nsIMIMEInfo.saveToDisk;            if ( needUpdate )                this.mLauncher.MIMEInfo.preferredAction = this.nsIMIMEInfo.saveToDisk;        } else if ( this.dialogElement( "useSystemDefault" ).selected ) {            needUpdate = this.mLauncher.MIMEInfo.preferredAction != this.nsIMIMEInfo.useSystemDefault;            if ( needUpdate )                this.mLauncher.MIMEInfo.preferredAction = this.nsIMIMEInfo.useSystemDefault;        } else {            // For "open with", we need to check both preferred action and whether the user chose            // a new app.            needUpdate = this.mLauncher.MIMEInfo.preferredAction != this.nsIMIMEInfo.useHelperApp || this.appChanged();            if ( needUpdate ) {                this.mLauncher.MIMEInfo.preferredAction = this.nsIMIMEInfo.useHelperApp;                // App may have changed - Update application and description                var app = this.helperAppChoice();                this.mLauncher.MIMEInfo.preferredApplicationHandler = app;                this.mLauncher.MIMEInfo.applicationDescription = app.leafName;            }        }        // We will also need to update if the "always ask" flag has changed.        needUpdate = needUpdate || this.mLauncher.MIMEInfo.alwaysAskBeforeHandling != this.dialogElement( "alwaysAskMe" ).checked;                // One last special case: If the input "always ask" flag was false, then we always        // update.  In that case we are displaying the helper app dialog for the first        // time for this mime type and we need to store the user's action in the mimeTypes.rdf        // data source (whether that action has changed or not; if it didn't change, then we need        // to store the "always ask" flag so the helper app dialog will or won't display        // next time, per the user's selection).        needUpdate = needUpdate || !this.mLauncher.MIMEInfo.alwaysAskBeforeHandling;                // Make sure mime info has updated setting for the "always ask" flag.        this.mLauncher.MIMEInfo.alwaysAskBeforeHandling = this.dialogElement( "alwaysAskMe" ).checked;        return needUpdate;            },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/fe3e3cb6a83414d7cd13fff2afa5eee3dc1281d3/nsHelperAppDlg.js/clean/embedding/components/ui/helperAppDlg/nsHelperAppDlg.js